hala aly
This page lists questions and answers that were posted by visitors named hala aly.
Questions
The following questions were asked by visitors named hala aly.
Solve the following system of equations using the method of elimination. 5x + 2y = 15 4 x-y = −1
2 years ago
Solve the system of equations by graphing. A local fitness club has two payment options: • Plan A: a monthly membership fee of $25, plus $2 per visit. • Plan B: a fee of $7 per visit.
2 years ago
Determine which plan is cheapest if a member attends the fitness club each day for one month (30 days) Plan A: a monthly membership fee of $25, plus $2 per visit. • Plan B: a fee of $7 per visit.
2 years ago
The coordinates of ∆ are (4,7), (6, −1), and (−2,3). a) Sketch a graph of the triangle
2 years ago
The coordinates of ∆lmn are l (4,7), m(6, −1), and n(−2,3)Determine the equations of two of the medians.
2 years ago
The coordinates of ∆LMN are L (4,7), M(6, −1), and N(−2,3) Determine the equations of two of the medians.
2 years ago
c) Algebraically, solve the system of equations represented by the medians to determine the location of the centroid ∆The coordinates of ∆LMN are L(4,7), M(6, −1), and N(−2,3).
2 years ago
A group of students launches a model rocket from the top of a building. The students have determined the equation y= − ; (x+ 6)(x− 18) to describe the < height of the rocket above ground level, y, in meters, at any time, x, in seconds. when tree =0, 2,4,6...
2 years ago
b) Use the equation to determine the zeros A group of students launches a model rocket from the top of a building. The students have determined the equation y= − ; (x + 6)(�x− 18) to describe the < height of the rocket above ground level, �, in meters, at...
2 years ago
c) Determine the equation of the axis of the symmetry group of students launching a model rocket from the top of a building. The students have determined the equation y = − ; (x + 6)(x − 18) to describe the < height of the rocket above ground level, �, in...
2 years ago
d) Determine the maximum height of the rocket A group of students launches a model rocket from the top of a building. The students have determined the equation y = − ; (x+ 6)(x− 18) to describe the < height of the rocket above ground level, �, in metres,...
2 years ago
9. The following graph represents the cost of two cell phone plans. Explain, in detail, the circumstances under which one plan is better value for the customer than the other plan.
2 years ago
11. Describe the difference between a linear and quadratic relation. Consider these points to assist you in developing your response) • Equation • First and second differences • Graph
2 years ago
12. Explain how the factored form of a quadratic equation, = ( − )( − ), can be used to calculate the value of the vertex. Be sure to describe the mathematical steps involved in this process
2 years ago
14. Adult tickets for a school fashion show cost $8 and student tickets cost $5. The total receipts for 200 tickets are $1150. Using an algebraic method (the method of substitution or elimination), determine the number of each ticket that was sold. Be sur...
2 years ago
15. The vertices of a triangle are (−4,2), (0,6), and (7, −2) as shown on the following grid. The equation of the median from vertex is = 2. a) Find the equation of the median from the vertex
2 years ago
The vertices of a triangle are (−4,2), (0,6), and (7, −2) as shown on the following grid. The equation of the median from the vertex is = 2.b) Use the equations of the two medians to find the centroid of triangle.
2 years ago
The vertices of a triangle are (−4,2), (0,6), and (7, −2) as shown on the following grid. The equation of the median from the vertex is = 2.b) Calculate the length of where is the centroid.
2 years ago
The coordinates of ∆LMN are L(4,7), M(6, −1), and N(−2,3).Algebraically, solve the system of equations represented by the medians to determine the location of the centroid of ∆LMN.
2 years ago
The coordinates of ∆LMN are L(4,7), M(6, −1), and N(−2,3).Algebraically, solve the system of equations represented by the medians Determine the equations of two of the medians
2 years ago
y=2x+25 what the points of this equation
2 years ago
y=7x what the points of this equation to graph
2 years ago
To find the maximum height of the rocket, we need to find the vertex of the parabola represented by the equation y = -1/((x+6)(x-18)). The x-coordinate of the vertex can be found using the formula x = -b/2a, where a = -1, b = 0, and c = 0 (since there are...
2 years ago
13. The following graph describes the height of a football, where the height is measured in meters (m) and time in seconds (s) State the equation of the axis of symmetry.
2 years ago
13. The following graph describes the height of a football, where the height is measured in meters (m) and time in seconds (s). the What are the values of the zeros or -intercepts? X1=0, x2 =40 and State the value of the vertex. = (20,32)
2 years ago
The following graph describes the height of a football, where the height is measured in meters (m) and time in seconds (s). the What are the values of the zeros or -intercepts? X1=0, x2 =40 and State the value of the vertex. = (20,32) when the ball 30 m i...
2 years ago
Calculate the length of PG where G the centroid is. 15. The vertices of a triangle are P (−4,2), Q (0,6), and R(7, −2) as shown on the following grid
2 years ago
16. An electronics store averages 32 sales per day of Blu-ray players listed at $100 each. A survey indicates that for each $5 decrease in price, two more sales would occur. The graph of the projected revenue in terms of the number of $5 decreases is show...
2 years ago
Equation in vertex form y=x power 2 then what's the number of a and h and k
2 years ago
vertex form y= 3x^2+4 then what's the number of a and h and k
2 years ago
Opens up or down? Compressed or stretched vertically? The equation in vertex form y=x^2
2 years ago
Opens up or down? The equation in vertex form y=x^2
2 years ago
Compressed or stretched vertically? Equation in vertex form y=3x^2+4
2 years ago
Vertex a minimum or maximum? The equation in vertex form y=x^2
2 years ago
Minimum or maximum value Equation in vertex form y=x^2
2 years ago
value Equation in vertex form 𝒚 = 𝟑𝒙^2 + 4 find Equation of axis of symmetry
2 years ago
value Equation in vertex form 𝒚 = −(𝒙 + 𝟓)^𝟐 − 3 find the Equation of the axis of symmetry
2 years ago
The equation in vertex form 𝒚 = 𝒙^2 find the Equation of axis of symmetry
2 years ago
The equation in vertex form 𝒚 = 𝒙^2 find the Coordinates of vertex
2 years ago
Write the following equations in factored form. Remember to common factor first (if possible). a) 𝑦 = 6𝑥 + 42
2 years ago
Given the following graph of a parabola, find its equation, in the form 𝑦 = 𝑎(𝑥 − ℎ)2 + 𝑘
2 years ago
A parabola is defined by the equation 𝑦 = 𝑥2 − 10𝑥 + 16. a) Write the equation in factored form
2 years ago
Identify the 𝑥-intercepts of the parabola. A parabola is defined by the equation 𝑦 = 𝑥2 − 10𝑥 + 16.
2 years ago
. A parabola is defined by the equation 𝑦 = 𝑥2 − 10𝑥 + 16.State the equation of the axis of symmetry
2 years ago
A parabola is defined by the equation 𝑦 = 𝑥2 − 10𝑥 + 16.Determine the coordinates of the vertex
2 years ago
Write the following expression in vertex form by completing the square. 𝑦 = 𝑥2 − 12𝑥 + 7
2 years ago
A golf ball is hit from the top of a tee. The quadratic equation 𝑦 = −5𝑥2 + 20𝑥 + 0.05 describes its height, 𝑦, in metres as time, 𝑥, in seconds passes. Determine how long the ball is in the air Hint: Use the quadratic formula.
2 years ago
Explain in detail the role of 𝑎, ℎ, and 𝑘 in the equation 𝑦 = 𝑎(𝑥 − ℎ)^2 + 𝑘. You may use words, numerical examples, and sketches to support your explanation.
2 years ago
Explain the role of a, h, and 𝑘 in the equation 𝑦 = 𝑎(𝑥 − ℎ)2 + 𝑘. You may use words, numerical examples, and sketches to support your explanation.
2 years ago
9. Think about the standard parabola defined by 𝑦 = 𝑥2. How does the parabola defined by 𝑦 = −4(𝑥 + 3)2 − 7 compare to the standard parabola? Describe all of the transformations. Then, draw a reasonable sketch of both parabolas.
2 years ago
Think about the standard parabola defined by 𝑦 = 𝑥2. How does the parabola defined by 𝑦 = −4(𝑥 + 3)2 − 7 compare to the standard parabola? Describe all of the transformations. Then, tell the steps of drawing a reasonable sketch of both parabolas
2 years ago
Think about the standard parabola defined by 𝑦 = 𝑥2. How does the parabola defined by 𝑦 = −4(𝑥 + 3)2 − 7 compare to the standard parabola? Describe all of the transformations.
2 years ago
10. Factoring is an algebraic process, which is an essential one in the field of mathematics. Consider the following equation: 𝑦 = 𝑥2 + 2𝑥 − 8 This equation in factored form can be written as: 𝑦 = (𝑥 − 2)(𝑥 + 4) Explain using words and algebra, how the ze...
2 years ago
1. Consider the graph of 𝑦 = 2𝑥: If the graph were extended much farther to the left from the interval shown, do you think the graph could ever touch or cross the 𝑥-axis? Explain
2 years ago
2.The graphs of 𝑦 = 2𝑥 and 𝑦 = 𝑥2 are shown here: Identify two major differences in behavior between these graphs.
2 years ago
The graphs of 𝑦 = 2𝑥 and 𝑦 = 𝑥2 are shown here: Identify two major differences in behavior
2 years ago
13. For the following graph of the parabola, find its equation in the form 𝑦 = 𝑎(𝑥 − ℎ)2 + 𝑘. Then, express the answer in standard or expanded form, 𝑦 = 𝑎𝑥2 + 𝑏𝑥 + 𝑐.
2 years ago
Sketch the parabola described by the equation 𝑦 = 2𝑥^2 − 20𝑥 + 42.
2 years ago
14. The amount of money that a local charity earns by selling T-shirts at a mall depends on the price of each T-shirt. The monthly profit, 𝑦, in dollars is given by the quadratic equation 𝑦 = −35𝑥2 + 1250𝑥 − 6500 where 𝑥 represents the price of each T-shi...
2 years ago
A parabola is defined by the equation 𝑦 = 𝑥2 − 10𝑥 + 16 b) Identify the 𝑥-intercepts of the parabola
2 years ago
4. Given the following graph of a parabola, find its equation, in the form 𝑦 = 𝑎(𝑥 − ℎ)2 + 𝑘
2 years ago
3. Write the following equations in factored form. Remember to common factor first (if possible). 𝑦 = 6𝑥 + 42
2 years ago
Answers
The following answers were posted by visitors named hala aly.