Unit 7 Practice Test

Select all the apply to the polynomial 5x² - 3x + 2

• Quartic

• Quadratic

• Standard Form

• Binomial

• Trinomial

Select all rational numbers.

• √16

• √5

• (√7)(√7)

• -⅔

• (√5)(√7)

Simplify 3√12 ∙ √6

• 18√2

• 6√2

• 6√6

• 108√2

Find the product of (4x + 9) and (3x - 2)

• 12x² + 19x - 18

• 12x² - 19x - 18

• 12x² - 18

• 7x + 7

Simplify (12x² - 5x + 7) - (7x² + 4x - 1).

• 5x² - 9x + 8

• 5x² - x + 6

• 5x⁴ - 9x² + 8

• 96x⁴ + 13x³ + 17x² + 33x - 7

Solve 16x² - 8x + 1 = 0.

• x = ¼

• x = -¼

• x = ±¼

• x = 4

Factor x² - 25

• (x + 5)(x - 5)

• (x + 25)(x - 1)

• (x - 25)(x + 1)

• (x - 25)(x - 1)

Decide which of the following would have zeros at -3 and 4. Select all that apply.

• (x - 3)(x + 4)

• (x + 3)(x - 4)

• (3x + 1)(4x - 1)

• 5(x + 3)(x - 4)

Write the function for the graph.

• f(x) = -(x - 2)(x + 4)

• f(x) = -(x + 2)(x - 4)

• f(x) = (x + 2)(x - 4)

• f(x) = -2(x + 2)(x - 4)

Simplify √24+√54.

• 5√6

• 5√12

• 6√2+6√3

• 10√3