Questions and answers by

Hana blanie

Questions (769)

How does the appearance of spiral galaxies vary? Select the two correct answers.(1 point)Responses They vary in how tightly
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How are nebulae and stars related? Select the three correct answers.(2 points)Responses Nebulae form from stars. Nebulae form
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Even though the Solar System models made by Aristotle and Ptolemy were not correct, people believed them for more than a
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Was Copernicus's model of the Solar System accepted by the people of his time?(1 point)Responses Yes Yes No No Question 2
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What is the equation for Kepler’s third law? (T = orbital period, r = radius)(1 point) Responses T2=r3 T2=r3 T3=r2 T3=r2 T2=r
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A line between a planet and the sun sweeps out two equal areas at different places as it moves along its orbit. Which factor
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Which statements about the geocentric model are false? Select the two correct answers.(1 point) Responses It shows the Sun at
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Which of the following statements about Newton's theory of universal gravitation are true? Select the three correct answers.(2
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For a moon orbiting its planet, rp (radius of perihelion) is the shortest distance between the moon and its planet, and ra
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A satellite orbiting Earth at an orbital radius r has a velocity v. Which represents the velocity if the satellite is moved to
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What shape is the moon's orbit around Earth?(1 point)Responses an ellipse that is almost circular an ellipse that is almost
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Which did Kepler notice about planetary motion that caused him to propose Kepler’s first law of orbital motion?(1 point)Respon
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The mass of an object is cut in half. What happens to the gravitational force between it and another object whose mass stays the
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Based on Kepler's observations about planetary motion, what is the relationship between a planet's orbital velocity and its
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Which are features of Copernicus's model of the solar system? Select the three correct answers.(1 point)Responses The stars are
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An asteroid approaches Jupiter and is slung around into a new trajectory across the solar system. Which of the following are
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Explain the significance of Timbuktu in West Africa.(1 point)Responses Timbuktu was a center for learning similar to the
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hich statement best describes how physical geography contributed to the decline of West African empires?(1 point)Responses
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Describe a major factor in the longevity of the Swahili city-states’ influence.(1 point)Responses the number of cities along
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Describe a major factor in the longevity of the Swahili city-states’ influence.(1 point)Responses the number of cities along
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What can we infer happened to the Axum Empire after 1100 CE?(1 point)Responses It stopped trading entirely. It stopped trading
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Identify which factor supported both Axum and the Swahili city-states in trading with other nations.(1 point)Responses lack of
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Describe how the Bantu migration changed Africa’s cultural landscape.(1 point)Responses The Bantu brought knowledge of iron
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2. 46 views
Use the image to answer the question.A map of Africa is shown surrounded by the Atlantic Ocean, the Indian Ocean, the
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2. 44 views
Which accurately summarizes the expansion of the Muslim Empires through the lens of cause and effect?(1 point)Responses Cause
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In what way is ordering the key people and events helpful for understanding the growth of the Islamic Empire?(1 point)Responses
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Which statement accurately describes the role of key individuals in the rise and spread of Islam?(1 point)Responses Allah was
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Which statement explains how Justinian’s Code was a turning point in the regulation of the Byzantine Empire?(1 point)Responses
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2. 30 views
Which timeline outlines the chronological order of significant events and people that led to the collapse of the Roman Republic
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What was the name of the political party with which Julius Caesar was affiliated?(1 point)Responses the Second Triumvirate the
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Use the chart to answer the question.Civilization Characteristics Inca Empire Monarch ruler Centralized government Ethnic Inca
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What caused the Greeks to unify in defense of their culture and way of life?(1 point)Responses the threat of the Persian Empire
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A major characteristic of ancient Greek culture was(1 point)Responses the belief that the gods interact with everyday life. the
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Which literary work was created during the Archaic period?(1 point)Responses The Iliad The Iliad Agamemnon Agamemnon Oedipus the
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Use the chart to answer the question.Democracy Monarchy Oligarchy Government of the people Emphasis on voting rights and freedom
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What point is symmetrical to (−1,−17) for the graph of y=−x2−16?(1 point)Responses (−17,−1) left parenthesis
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Create a graph; then answer the following question.What are the key points on the graph of y=x2−8x? Name the vertex,
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Complete the square to identify the vertex of y=x2−16x+14.(1 point)Responses (8,78) left parenthesis 8 comma 78 right
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Use any method to locate the zeros of y=−3x2+12x+15.(1 point)Responses (0,15) left parenthesis 0 comma 15 right parenthesis
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Determine the vertex and axis of symmetry of y=x2−10x+3.(1 point) vertex: ( ); axis of symmetry: x=
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Determine the zeros of the quadratic function y=−x2+16x−39. (When listing the smaller zero, remember that negative values
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Determine the zeros of the quadratic function y=x2+15x+36. (When listing the smaller zero, remember that negative values are
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2. 26 views
How were technical inventions, such as movable type, exchanged across the world?(1 point)Responses Many of these technical
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Why did the Crusades occur?(1 point)Responses The Holy Roman emperor asked for help defending against Islamic empires. Crusaders
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How did Christianity split after the fall of the Roman Empire?(1 point)Responses Christianity was divided among Western
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Which two religious groups were involved in the Crusades to take control of the Holy Land during the Middle Ages?(1 point)Respon
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When comparing policies related to the rights of women under the Taliban and in the Koran, which statement is accurate?(1 point)
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Which statement describes shariah?(1 point)Responses the official currency of the Abbasids Empire the official currency of the
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In many regions along Muslim trade routes, both Persian and Arabic became the common language for business. Which term describes
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Why were the janissaries important to the Ottoman Empire?(1 point)Responses They were naval commanders who kept the borders of
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Which region was the origin of the Islamic empires?(1 point)Responses Persia/Iran Persia/Iran Arabian Peninsula Arabian
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Analyze why the Umayyad Empire ended in 750.(1 point)Responses Muhammad’s forces conquered them from Mecca. Muhammad’s
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Describe how texts were translated in the House of Wisdom.(1 point)Responses Texts were sent to Egypt for translation. Texts
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Use the table to answer the question.Time Period Event 570 CE Muhammad born in Mecca 610 CE Gabriel visits Muhammad in
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The Five Pillars of Islam are the founding beliefs of the religion, and they guide Muslims’ practice. List and summarize the
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What was the significance of Justinian I’s invasion of the Italian Peninsula?(1 point)Responses The Italian Peninsula was the
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Which statement explains the significance of the siege of Constantinople during the Fourth Crusade?(1 point)Responses After the
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What role did Emperor Constantine play in the spread of Christianity?(1 point)Responses He targeted the poor to convert to
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What role did the Apostle Paul play in the spread of early Christianity?(1 point)Responses Paul traveled throughout Judea and
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10 of 3010 of 30 ItemsQuestion Which two events can be compared the closest?(1 point) Responses Ides of March and formation of
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Which statement about the Second Triumvirate is true?(1 point)Responses Octavian fought Julius Caesar and won during the Battle
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Which answer best explains the difference between the Mayan civilization and Inca Empire?(1 point)Responses The Inca Empire
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Using the chart, which statement best describes the differences and similarities between the Roman Republic and other
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The ancient Greek Olympic Games were a crucial aspect to Greek culture. Who were the Games dedicated to?(1 point)Responses the
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Which statement is true about the ancient Greeks’ reliance on deductive reasoning?(1 point)Responses Generally believed ideas
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Which of the following statements is true about Athenian democracy during the Classical period?(1 point)Responses Kings and
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Which statement best describes Alexander the Great’s conquest of Egypt?(1 point)Responses Alexander waged fewer pitched
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Which statement about Spartan social classes is correct?(1 point)Responses Helots and laborers were treated harshly, while women
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Which statement accurately describes the Carthaginian government?(1 point)Responses The Carthaginian government was an oligarchy
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QuestionA work of art is considered prehistoric if it is: (1 point) Responses more than 5,000 years old more than 5,000 years
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Use the image to answer the question.A parabola is graphed on a coordinate plane. The x-axis ranges from negative 5 to 5 in
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Use the image to answer the question.A parabola is graphed on a coordinate plane. The x-axis ranges from negative 14 to 1 in
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Which of the following is a point you can generate to create the parabola for the quadratic equation y=−6x2+3x+8?(1 point)Resp
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Use the image to answer the question.A parabola is graphed on a coordinate plane. The x-axis ranges from negative 2 to 4 in
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A parabola is graphed on a coordinate plane. The x-axis ranges from negative 6 to 5 in increments of 1. They y-axis ranges from
1. 1 answer
2. 32 views
Given this table of values, complete the table for the quadratic equation y=3x2−6x+9to find the values of the high or low
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How many real solutions does the following quadratic equation have?4x2+x+3=0 (1 point) Responses three real solutions three real
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Which of the following is a solution to the quadratic equation 2x2−5x=6? Assume that the solution has been rounded to the
1. 1 answer
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Using the quadratic formula, find the solution to x2−6x−16=0.(1 point)Responses x=8, x=−8 x equals 8 , x equals negative 8
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Complete the square to solve the following quadratic equation: x2−22x+1=15.(1 point)Responses x=−11+315−−√,
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Complete the square to solve the following quadratic equation: x2+2x−8=0.(1 point)Responses x=10, x=−8 x equals 10 , x
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How many real solutions does the following quadratic equation have?25x2+60x+36=0 (1 point) solution(s)
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How many real solutions does the following quadratic equation have?25x2+60x+36=0
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Solve −2x2+3x−1=−2using the quadratic formula. Round the solution(s) to the nearest hundredths. Enter the smaller solution
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Using the quadratic formula, find the solution to x2+6x+9=0.(1 point)
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Complete the square to identify the two values that solve the following quadratic equation: x2+8x=9.(1 point)
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Gabriel was asked to solve x2−36=0 by factoring using the difference of squares pattern. What is/are the correct
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Solve the following quadratic equation using the perfect square trinomial pattern: x2−16x+64=0 .(1 point)Responses x=−64 x
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Which of the following equations has exactly the same solutions as (x−7)(x+9)=0?(1 point)Responses x2+2x=−63 x squared plus
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2. 17 views
The quadratic equation x2+4x−32=0 can be solved by factoring. Which of the following is the factored form?(1 point)Responses
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Solve the following quadratic equation using the perfect square trinomial pattern: x2+10x+25=0.
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Supply the numbers to write x2+10x+16=0in its factored form. Enter the lesser number first.(1 point)
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One of the steps needed to solve a quadratic equation by grouping is to split the middle term as a sum of two terms. Given the
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Karim is solving the quadratic equation x2+5x−24=0by grouping. His work is shown below. Determine the first step at which
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During a water balloon fight, Louisa uses a slingshot to fire a water balloon over the fortified wall of the opponent. When
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Solve the following quadratic equation by factoring out the greatest common factor (GCF): 2x2−14x=0.(1 point) The smaller
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Which of the following quadratic equations can be solved by grouping?(1 point)Responses x2+8x−22=0 x squared plus 8 x minus 22
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Hyung-eun is solving the quadratic equation x2−4x−12=0 by grouping. Her work is shown below. At which step does Hyung-eun
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As Isla prepares to set off fireworks, she wants to ensure the spectators are a safe distance away. When shot in the air, one
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Which of the following tables shows the correct steps to factor out the GCF and solve the quadratic equation 7x2=56x?(1 point)Re
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2. 34 views