# Functions / Trig Prerequisites Test: Question Preview (ID: 31930)

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**(x^2 + 2x - 3)/(x^2 - 3x + 2)**

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

b) -3/2

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

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

**Simplify: √6r√3r , r does not equal 0**

a) 3r√2

b) 2r√3

c) r√18

d) 3r^2√2

**Simplify: 4√50 - 3√18**

a) 11√2

b) 3√2

c) 4√50 - 3√18

d) √32

**(30x^3y^4)/(6x^9y^-4)**

a) (5y^8)/x^6

b) 5/x^6

c) (5y^8)/x^12

d) (30y^8)/(6x^6)

**Simplify: (2x^2y^3 - xy + y^2) - (-4x^2y^3 - 5xy - y^2)**

a) 6x^2y^3 + 4xy + 2y^2

b) -2x^2y^3 - 6xy

c) 6x^2y^3 - 6xy

d) -2x^2y^3 + 4xy - 2y^2

**Simplify: 7 + 2(3(x + 1) - 2(3x - 1))**

a) -6x + 17

b) -6x + 9

c) 6x + 17

d) 6x + 9

**Simplify 5(2x^2 - 6x) - (4x^2 - 3x)**

a) 6x^2 - 27x

b) 6x^2 - 33x

c) 6x^2 - 9x

d) 6x^2 - 3x

**Factor Completely: x^2 - 9x + 18**

a) (x - 6)(x - 3)

b) (x - 6)(x + 3)

c) (x + 6)(x - 3)

d) (x + 6)(x + 3)

**Factor completely: 25x^2 - 9**

a) (5x - 3)(5x + 3)

b) (5x - 3)^2

c) (5x + 3)^2

d) (25x - 3)(x + 3)

**Factor Completely: x^3 + 2x^2 + 3x + 6**

a) (x^2 + 3)(x + 2)

b) (x^2 + 3)(x - 2)

c) (x^2 - 3)(x + 2)

d) (x^2 - 3)(x - 2)

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