IM2 November Benchmark Review 2019

Solve by factoring: x² - 9x = -20

• x = -4 or x = -5

• x = 20 or x = -9

• x = 4 or x = 5

• x = -4 or x = 5

Solve for a by factoring.

a² + 2a = 24

• a = -6 or a = 4

• a = 6 or a = -4

• a = 12 or a = -2

• a = 8 or a = -3

What are the solutions to this equation? (x - 3)(x +2)=0

• x = 3 or x = -2

• x = -3 or x = 2

• x = 2 or x = 3

• x = 3 or x = 2

What are the solutions to this equation?

(3x-2)(5x+1)=0

• x=5/2 or -1/3

• x=1/5 or -2/3

• x=1/3 or -5/2

• x=2/3 or -1/5

Solve (2x - 8) (x + 5) = 0

• x = 5, x = 8

• x= -4, x = 5

• x= 4, x = -5

• x= -5, x = -8

What are the zeros of the function:

f(x) = x² + x - 42

• 7 and -6

• -8 and 3

• -7 and 6

• 8 and -3

(2s + 9)(3s - 4)

• 6s² + 35s - 36

• 6s² + 29s - 36

• 6s² + 13s - 36

• 6s² + 19s - 36

Find the Sum:

( -2x³+ 4 ) - ( 5x³ - 4x + 5 )

• -7x³ - 4x + 5

• 7x³ + 8x + 5

• -7x³ + 4x - 1

• 7x³ + 8x + 5

Find the Sum:

(4x³ - 5x² + 3x) + (-2x³ - x² + 6x)

• 2x³ - 4x² - 3x

• 2x³ + 4x² + 3x

• -2x³ - 6x² + 9x

• 2x³ - 6x² + 9x

Choose ALL that are TRUE for the graph of

y = 1/2 ( x + 4 )² + 7

• The vertex is

  ( -4 , 7 )

• The graph will be stretched

• The vertex is

  ( 4 , 7 )

• The y-intercept is (0 ,15)

• The y-intercept is (0, 7)