Questions and answers by

phi

Questions (47)

Identify the constant in the cubic expression: 2x3−8x2−10x+1.(1 point) Responses -10 -10 2 2 -8 -8 1
1. 1 answer
2. 12 views
Identify the correct list of coefficients for the quadratic expression: 3x2+5x−12(1 point) Responses 3, 5, −12 3, 5, −12
1. 1 answer
2. 16 views
A new app charges a joining fee of $2 and a monthly subscription cost of $5 each month. Choose the expression below that
1. 1 answer
2. 14 views
The perimeter of the shape below is 21x2−5x + 4. Find the length of the missing side. 2x-3 7x^2+3x+2 2x-3 (1 point) Responses
1. 1 answer
2. 16 views
Two classmates are working on multiplying the binomials (2x-5)(x+12). Their work is below:Joey Erin (2x−5)(x+12)
1. 1 answer
2. 14 views
The perimeter of the shape below is 21x2−5x + 4. Find the length of the missing side. (1 point) Responses 4x2+5 4 x squared
1. 1 answer
2. 20 views
Which option correctly shows the concentration of H3O+ ions in pure water?(1 point)Responses 1.0 x 10-14 mol/L 1.0 x 10 -14
1. 1 answer
2. 14 views
Which pattern in electronegativity do elements in the periodic table display?(1 point)Responses Electronegativity is lowest on
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2. 22 views
Use the reaction to answer the question.HCl + H2O → Cl–+ H3O+ Which statement about the reaction is correct? (1 point)
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2. 16 views
Which statement best describes the difference between a substance with a pH of 3.0 and a substance with a pH of 6.0?(1 point)Res
1. 1 answer
2. 20 views
How are acids and protons related? (1 point)Responses Acids are substances that contain more protons than bases. Acids are
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2. 22 views
Epidemiology’s Fight Against Ebolaby Carol Hand Emile was a two-year-old boy living in Meliandou, a village in the West
1. 1 answer
2. 10 views
Epidemiology’s Fight Against Ebolaby Carol Hand Emile was a two-year-old boy living in Meliandou, a village in the West
1. 1 answer
2. 10 views
Why is it useful to compare the introductions of two explanatory texts? Select the two correct answers.(1 point)Responses It can
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2. 16 views
What is an explanatory text?(1 point)Responses the statement that explains the central idea, claim, or focus of a text the
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2. 17 views
A line is shown on the coordinate plane.On coordinate plane, points (2, 1), (1, 5) and (0, 9) are connected through a line. Drag
1. 1 answer
2. 17 views
What is the result of solving this equation for x? ax+by=c
1. 1 answer
2. 14 views
What is the result of solving this equation for x? ax+by=cA. B. C. D.
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2. 10 views
Which of these equations is correct?A. (2^2)^4=2^6 B. (3^5)^-2=1/3^-10 C. (5^-3)^6=1/5^18 D. (8^3)^2=8^9
1. 1 answer
2. 6 views
Which of these equations is correct?A. B. C. D.
1. 1 answer
2. 7 views
An irrational number, d , has a value such that 6<d<7. Which of the following is a possible value for ?A. square root of 6.2 B.
1. 1 answer
2. 10 views
A student makes money by watching the neighbors’ dog. The situation is modeled in the graph below.The graph titled money made
1. 1 answer
2. 12 views
A mother finds her daughter’s mug of hot cocoa on a table an hour after she had been drinking it. As the mother pours out the
1. 1 answer
2. 17 views
Which option is a microscopic property that helps determine whether or not two substances will dissolve with each other? (1
1. 1 answer
2. 19 views
Which substance is an example of a nonpolar compound?(1 point)Responses food coloring food coloring sugar sugar vegetable oil
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2. 19 views
Multiply: (6x−5y)(−3x+2y)(1 point) Responses −31x2y2 negative 31 x squared y squared −18x2+3xy+10y2 negative 18 x
1. 1 answer
2. 19 views
When simplified, which expressions produce the trinomial 4x2−20x−24? Select the TWO that apply.(2 points) Responses
1. 1 answer
2. 14 views
Alex has a workshop with an area that can be modeled by the expression 4x2+7x−3square feet. He agrees to rent out part of his
1. 1 answer
2. 12 views
(3 points)Maria is designing a garden for flowers and vegetables. The area of the garden covered by flower beds can be
1. 1 answer
2. 19 views
Use the Distributive Property to multiply: −3x(4x−5).(1 point) Responses −12x+15 negative 12 x plus 15 −12x2+15x
1. 1 answer
2. 14 views
Put the steps in the correct order when multiplying the binomials: (2x−5)(x+7). Start with the given expression and end with
1. 1 answer
2. 21 views
Hank is working on simplifying the algebraic expression 4x−14when x=5 . Her steps are as follows: Step 1: 45−14 Step 2:
1. 1 answer
2. 22 views
(4 points)Three classmates are working with three different expressions. Each classmate substitutes in the value x=3 into their
1. 1 answer
2. 16 views
Jamie is starting a new marketing strategy that causes her number of clients to grow exponentially. Jamie starts with 50
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2. 12 views
A quarterback is standing at the top of the bleachers, trying to throw the football as high into the air as he can. He picks up
1. 1 answer
2. 18 views
Select the quadratic equation that is equivalent to: the product of negative six and a number squared, plus the product of five
1. 1 answer
2. 13 views
Joseph is selling cellphone data plans. He plans to charge $55 per month for unlimited data, as well as a one-time startup fee
1. 1 answer
2. 19 views
Identify the following as an expression or an equation.(4 points)Expression Equation 2x−5=4 21⋅−3x −3x3=82 5x2−8x+2
1. 1 answer
2. 9 views
Identify the constant in the cubic expression: 6x3+3x2−2x+7.(1 point) Responses 6 6 3 3 −2 negative 2 7
1. 1 answer
2. 10 views
Identify the correct list of coefficients for the quadratic expression: 7x2−4x+12.(1 point) Responses 7x2, −4x 7x2, −4x 7,
1. 1 answer
2. 18 views
Two balloons hold two different gases. The gases are held at the same pressure, volume, and temperature. Which quantity can
1. 1 answer
2. 17 views
When the pressure of a gas decreases, which quantity will increase, assuming all other variables are held constant?(1 point)Resp
1. 1 answer
2. 7 views
The ideal gas law is represented by PV=nRT. As volume is held constant and the temperature increases, how would the pressure be
1. 1 answer
2. 14 views
Which statement explains the molecular changes that occur in an enclosed gas as the pressure increases and the temperature is
1. 1 answer
2. 18 views
Which statement correctly describes the relationship between the volume of a gas and its temperature, in Kelvin, assuming
1. 1 answer
2. 12 views
Read the following paragraph on how social media can affect a person’s mood:Social media can significantly impact a person's
1. 1 answer
2. 15 views
Which strategy helps in using context clues to determine the meaning of an unfamiliar word?(1 point)Responses Think about what
1. 1 answer
2. 8 views