Chapter 7 Test Review

Adding, Subtracting, & Multiplying Polynomials

100

(3x² + x - 6) + (x² + 4x +10)

4x² + 5x + 4

200

(4x² - 3x + 5) - (3x² - x - 8)

x² - 2x + 13

300

(r - 5)(2r - 1)

2r² - 11r + 5

Greatest Common Factor

100

15x³ + 10x

5x(3x² + 2)

200

-77x² - 21x + 49

-7(11x² + 3x - 7)

300

49m⁵ - 21m - 63m⁶

7m(7m⁴ - 3 - 9m⁵)

Factoring

100

n² - 12n + 35

(n - 7)(n - 5)

200

4x² - 19x - 5

(4x + 1)(x - 5)

300

x² - 49

(x + 7)(x - 7)

Solving

100

x² - 11x + 24 = 0

x = 8

x = 3

200

2x² - 5x - 7 = 0

x = 7/2

x = -1

300

a² + 6a + 9 = 0

a = -3