Unit Test

Question 1

Given y = (2x + 3)2, choose the standard form of the given quadratic equation.

Revolt · Accepted Answer

0 = 4x2 + 12x + 9

Question 2

There is one real solution if the radicand is

Revolt · Accepted Answer

zero.

Question 3

There are no real solutions if the radicand is

Revolt · Accepted Answer

negative.

Question 4

Select the equation that shows the correct substitution of a, b, and c in the quadratic formula.

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/EVresources/3111-03-08-10-04-task/mc001-3.jpg

Question 5

Study the solutions of the three equations on the right. Then, complete the statements below.There are two real solutions if the radicand is

Revolt · Accepted Answer

positive.

Question 6

32x - 4 = 4x2 + 60For the equation shown, choose the description of the solutions.

Revolt · Accepted Answer

One real, rational

Question 7

y - 5 = 0.5x2 + 6x - 3How many x-intercepts does the graph of this quadratic have?

Revolt · Accepted Answer

Two x-intercepts

Unit Test Answers