Quiz on Solving Quadratics

Solve for the indicated x-value and quadratic equation:

f(x) = 2x² + 10x - 1; x = 4

• f(4) = -71

• f(4) = 71

• f(4) = 17

• f(4) = -17

Solve for the quadratic equation at the indicated value:

f(x) = -x² -3x+10; x= -2

• f(-2) = 12

• f(-2) = -12

• f(-2) = 21

• f(-2) = -21

Solve the following quadratic equation using the zero-product property:

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

• x = 3, x = 1/3

• x = 2, x = -1/3

• x = 1/2, x = -3

• x= 1/3, x= -2

Solve the following quadratic equation using the zero-product property:

(x+1)(x-8) = 0

• x = 1, x = 8

• x = -1, x = -8

• x = -1, x = 8

• x = 1, x = -8

Solve the following quadratic equation using the zero-product property:

(2x+6)(x-9) = 0

• x = 2/6, x = 9

• x = -3, x = 9

• x = 3, x = -9

• x = -3, x = -9

Solve the following quadratic equation using the zero-product property:

(x+3)(x-7) = 0

• x = -3, x = 7

• x = 3, x = 7

• x = -3, x = -7

• x = 3, x = -7

Solve the following quadratic equation using the zero-product property:

(x-5)(x-8) = 0

• x = -5, x = -8

• x = 5, x = -8

• x = 5, x = 8

• x = -5, x = 8

Solve the following quadratic equation by factoring:

x² + 8x + 12 = 0

• x = -6, x = 2

• x = 6, x = -2

• x = 6, x = 2

• x = -6, x = -2

Solve the following quadratic equation by factoring:

x² + 4x - 5 = 0

• x = 5, x = 1

• x = -5, x = 1

• x = -1, x = -5

• x = -1, x = 5

Solve the following quadratic equation by factoring:

2x² + 9x + 7 = 0

• x = -1, x = -7/2

• x = 1, x = 7/2

• x = -1, x = 7/2

• x = 1, x = -7/2