Quiz (3/24/2023)

Solve.

x² + 4x - 32=0

• x= -8, 4

• x= 8, -4

• x= -8, -4

• not factorable

Solve.

x²-14x-51=0

• x= 17, -3

• x= -17, 3

• x= -17, -3

Solve.

x² - 49 = 0

• x = -7, x = 7

• x = -7

• x = 7

• x = -7, x = 1

Solve for the values of x.

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

• { 2, 3 }

• { -2, -3 }

• { 2, 3 }

• { -2, 3 }

Solve for the values of x.

(2x - 1)(x + 4) = 0

• { 1/2, -4 }

•  { 1/2, 4 }

• { 2, -4 }

• { -2, 4 }

Solve.

x² + 28 = -11x

• {7,-4}

• {-7,4}

• {7,4}

• {-7,-4}

Solve.

 2x² - 3x - 2 = 0

• x = 1, x = -1

• x = -1/2, x = 2

• x = 1/2, x = 2

• x = 1/2, x = 1

How many roots does the function graphed here have?

• 3

• 2

• 1

• 0

Find the zeros.

• 0 and 4

• 0 and -4

• 0 and 2

• 2 and -2

What are the roots of this quadratic function?

• -4 and 0

• 4 and 0

• -2 and 4

• 0