The Quadratic Formula

Question 1

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

Revolt · Accepted Answer

D: 0 = 4x2 + 12x + 9

Question 2

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

Revolt · Accepted Answer

C:

Question 3

There is one real solution if the radicand is

Revolt · Accepted Answer

C: zero.

Question 4

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

Revolt · Accepted Answer

A: One real, rational

Question 5

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

Revolt · Accepted Answer

A: Two x-intercepts

Question 6

There are no real solutions if the radicand is

Revolt · Accepted Answer

A: negative.

The Quadratic Formula Answers