Unit 7 Review

+/- Rational Expressions

100

(2x+3)/(x-2)+(x-1)/(x-2)

(3x+2)/(x+2)

200

2/3-(3x)/(x-6)

(-7x-12)/(3(x-6))

300

Simplify the following rational expressions:

(2n-4)/(n^2-n-20) - (n+1)/(n^2-n-20)

1/(n+4)

400

Simplify the following rational expressions:

(5x)/(x-3) + (5)/(x+6)

(5x^2+35x-15)/((x-3)(x+6))

500

Simplify the following rational expressions:

(2x)/(3x+3) - (2)/(x+5)

(2x^2+4x-6)/(3(x+1)(x+5))

600

(x-3)/(x^2-9x+20)-(x+2)/(2x^2-9x-5)

(x^2-3x+5)/((x-5)(x-4)(2x+1))

×/÷ Rational Expressions

100

Simplify the following rational expressions:

(1)/(v+10) * (10v+30)/(v+3)

(10)/(v+10)

200

Simplify the following rational expressions:

(4y)/(y-6) \div (4y)/(8y-48)

8

300

Simplify the following rational expressions:

(45x^2)/(x-9) * (x^2-5x-36)/(3x^3+12x^2)

15

400

Simplify the following rational expressions:

(7a^2)/(7a^3+56a^2) \div (2)/(a^2+7a-8)

(a-1)/(2)

500

(x^2+6x+9)/(x^2+2x+1)xx(2x+2)/(x+3)

(2(x+3))/(x+1)

600

(x^2-4x-21)/(8x-16)div(2x^2+5x-3)/(x-2)

(x-7)/(8(2x-1)

Simplify

100

(4x^2)/(2x)

2x

200

(x^2-64)/(3x-24)

(x+8)/3

300

(4x-16)/(x^2-8x+16

4/(x-4)

400

(x^2+2x-24)/(3x^2-11x-4)

(x+6)/(3x+1)

500

(5x^2+20x)/(x^2+6x+8)

(5x)/(x+2)

600

(x-42)/(42-x)

-1

Factor

100

3x^2+9x

3x(x+3)

200

x^2+5x+6

(x+3)(x+2)

300

x^2-6x-16

(x-8)(x+2)

400

2x^2-5x-3

(2x+1)(x-3)

500

60x^2y^3-24xy^3

12xy^3(5x-2)

600

3x^2+17x+10

(3x+2)(x+5)