Quadratics Study Guide

Factor.

2x² − 8x − 10

• 2(x + 1)(x + 5)

• 2(x − 1)(x + 5)

• 2(x + 1)(x − 5)

• 2(x − 1)(x − 5)

Find the solutions.

2(x + 1)(x − 5)

• x = 1 or x = 5

• x = 1 or x = −5

• x = −1 or x = 5

• x= −1 or x = −5

Which quadratic function is shown in the graph?

• ƒ(x) = x² − 2x + 3

• ƒ(x) = x² − 3x + 2

• ƒ(x) = −x2 − 2x + 3

• ƒ(x) = −x² − 3x + 2

Consider this function.

y = x² − 4x − 96

What are the zeros of the function?

ƒ(x) = (x + 5)(x − 2)

• 5 and 2

• -5 and 2

• 5 and -2

• -5 and -2

How many real solutions does

4x²-6x=2 have

• 1

• 2

• 0

• 3

Solve x²-26=10

• 4 & -4

• No Solution

• -6 & 6

• 0

Solve 3x² +9x+1=13

• 1 & -4

• No Solution

• 1/2 & 4

• 0

Solve x² +4x-6=0

• 0

• No Solution

• -5.162 & 1.162

• 0

What is the value of the discriminant of the equation

4x²-6x=2