9.1-9.4 Review Alg

x²-7x=0

• x= 0, -7

• x= 0, 7

81x²=25

• x= 5/9, -5/9

• x= -5/9, -5/9

• x= 5/9, 5/9

3x²-48=0

• x= 4, 4

• x= -4, -4

• x= -4, 4

6x²-x-2=0

• x= -2/3, 1/2

• x= 2/3, -1/2

• x= -2/3, -1/2

5x²-25x=5x-40

• x= -4, -2

• x= -4, 2

• x= 4, 2

3x²+9x-30=0

• x= 2, -5

• x= 5, -2

• x= -5, -2

4x²+7x-17=3x²+12x-3

• x= -7, -2

• x= 7, -2

• x= -7, 2

x²+4x-32=0

• x= -8, 4

• x= 8, -4

• x= -8, -4

Which direction will the graph of y = -2x² - 5 open?

• Up

• Right

• Left

• Down

Which table represents points on the parabola with the equation y = x² - 2?

• x | y

  -1 | 1

  0 | -2

  1 | -1

• x | y

  -1 | -3

  0 | -2

  1 | -1

• x | y

  -1 | -1

  0 | -2

  1 | -1

• x | y

  -1 | 1

  0 | 2

  1 | 1