Solving Quadratic Equations by Factoring, QF, and Square Rts

Solve 0=z^2−10z+25 by factoring. Select the solution.

• z=5

• z=-5

• z=2

• z=-2

Solve the equation t^2+8t+16=0 using any method. Select the solution.

• no real solutions

• t = -4

• t = -2

• t = 8

Find the zero of the function.

f(x)=4x^2−12x+9

The zero of the function is x=

Solve s^2=144 using square roots. Select the solution(s).

• s = -13

• s = 12

• s = -12

• s = 13

• s = 72

Solve x^2−8x=−12 by factoring. Select the solution(s).

• x = -4

• x = 1

• x = 6

• x = -3

• x = 2

Find the zero of the function.

g(x)=x^2+22x+121

The zero of the function is x=.

Solve a^2=81 using square roots. Select the solution(s).

• a = -9

• a = -8

• a = 8

• a = 9

• a = 27

Solve x^2−11x=−30 by factoring. Select the solution(s).

• no real solutions

• x = -4

• x = 1

• x = 6

• x = 5

Find the zeros of the function.

h(x)=x^2+19x+84

The zeros of the function are x= and x= .

Solve (z−6)^2=25 using square roots. Select the solution(s).

• z = 1

• z = 5

• z = 11

• z = 19

• no real solutions