Quadratic Equations and their Related Functions

Question 1

Question 1

Revolt · Accepted Answer

Answer image: https://r14.core.learn.edgenuity.com//media.edgenuity.com/evresources/f38c5429eead807d5a27f9b583754887.png

Question 2

Which quadratic function has one real solution?

Revolt · Accepted Answer

0 = (x – 3)(x – 3)

Question 3

Use the graph of the function y = (x + 3)(x − 2) to find the solutions of the quadratic equation 0 = (x + 3)(x − 2).

Revolt · Accepted Answer

–3 and 2.

Question 4

Which graph represents a quadratic function that has no real zeros?

Revolt · Accepted Answer

Answer image: https://r14.core.learn.edgenuity.com//media.edgenuity.com/evresources/3109/3109-10/3109-10-01/3109-10-01-assessment/3109-10-01-06b.png

Question 5

Use the graphing calculator to graph and find the zeros of the function y = 2x2 + 0.4x – 19.2. The zeros of the function are

Revolt · Accepted Answer

–3.2 and 3.

Question 6

0123

Revolt · Accepted Answer

1

Question 7

Question 7

Revolt · Accepted Answer

y = 0.5(x – 3)2 – 0.5

Question 8

Which graph represents a quadratic function that has one real zero?

Revolt · Accepted Answer

Answer image: https://r14.core.learn.edgenuity.com//media.edgenuity.com/evresources/3109/3109-10/3109-10-01/3109-10-01-assessment/3109-10-01-03c.png

Question 9

Graph the quadratic function y = 2x2 − 6x − 140. What are the solutions of the quadratic equation 0 = 2x2 − 6x − 140?

Revolt · Accepted Answer

−7 and 10

Question 10

Consider the graph of the quadratic function y = 3x2 – 3x – 6.

Revolt · Accepted Answer

–1 and 2

Quadratic Equations and their Related Functions Answers