Quadratic Unit Test Review

Factor completely.
x² + 2x - 35

• (x - 7)(x - 5)
• (x + 7)(x + 5)
• (x + 7)(x - 5)
• (x - 7)(x + 5)

Factor completely.

36x² - 1

• (6x + 1)(6x + 1)

• (6x + 1)(6x - 1)

• (6x - 1)(6x - 1)

• (12x + 1)(3x - 1)

Factor completely.

2x² + 7x - 15

• (2x - 3)(x - 5)

• (2x + 3)(x - 5)

• (2x - 3)(x + 5)

• (2x - 1)(x + 15)

Solve using any method.
3x² + 7x - 20 = 0

• x = -4, ³/5
• x = -4, ⁵/₃
• x = 4, ⁵/₃
• x = 4, -⁵/₃

Solve using any method.
x² + 2x - 63 = 0

• x = -7, 9
• x = -9, 7
• x = -9, -7
• x = 7, 9

Solve using any method.
(x-4)² = 10

• x = 4 ± √10
• x = 4 ± 5√2
• x = -4 ± √10
• x = 4 ± √14

If f(x) = x², how has f(x - 4) + 3 been translated?

• left 4 and up 3

• right 3 and down 4

• right 4 and up 3

• left 3 and down 4

At what time would you reach 16 ft above the water if you jump of a cliff using the formula:

h = -16t² + 8t + 24?

• 8

• 1

• 1/2

• 1/4

Solve using any method.
2x² - 6x + 20 = 0

• x = 3±i√31

Find the discriminant to determine how many and type of solutions.

f(x) = x² + 4x + 5

• 4, two real zeros

• -4, one real zero

• -4, no real solutions