Quiz about Solve Quadratics Practice

Question 1

5x²-25x=5x-40

Accepted Answer

x= 4, 2

Answer

x= -4, -2

Answer

x= -4, 2

Question 2

Solve by factoring:
x² + 3x - 18 = 0

Accepted Answer

x = 3 and x = -6

Answer

x = -3 and x = 6

Answer

x = -9 and x = 2

Answer

x = 9 and x = -2

Question 3

Solve by factoring:
x² - 9x + 20 = 0

Accepted Answer

x = 4 and x = 5

Answer

x = -4 and x = -5

Answer

x = 20 and x = -9

Answer

x = -4 and x = 5

Question 4

Solve by taking square roots:

5b² - 4 = 41

Accepted Answer

b = 3, b = -3

Answer

b = 9, b = -9

Answer

b = 8, b = -8

Answer

no solutionb

Question 5

Solve for x.

(x - 7)² + 4 = 40

Accepted Answer

x = 1, 13

Answer

x = -1, -13

Answer

x = 1, 7

Answer

x = -1, -7

Answer

x = -7, -13

Question 6

Solve for x.

(x - 4)² + 8 = 33

Accepted Answer

x = -1, 9

Answer

x = -9, 1

Answer

x = 1, 9

Answer

x = 3, 11

Answer

x = -11, -3

Question 7

Solve for x.

-7(x + 3)² + 63 = 0

Accepted Answer

x = -6, 0

Answer

x = 0, 6

Answer

x = -6, 12

Answer

x = 6, 12

Question 8

x²+ 4x - 32 = 0

Accepted Answer

x= -8, 4

Answer

x= 8, -4

Answer

x= -8, -4

Answer

x = -2, 16

Question 9

6x²- x - 2 = 0

Accepted Answer

x= 2/3, -1/2

Answer

x= -2/3, 1/2

Answer

x= -2/3, -1/2

Answer

x = -4, 3

Question 10

Solve for X:

(x-5)(x+6)=0

Accepted Answer

{5,-6 }

Answer

{5,5 }

Answer

{ -5,-5 }

Answer

{ -5,-6 }

Question 11

Solve by factoring: 2x² - 5x - 12 = 0

Accepted Answer

x = 4 and x = -3/2

Answer

x = -4 and x = -6

Answer

x = 4 and x = 6

Answer

x = -4 and x = 3/2

Question 12

x²= 18x - 81

Accepted Answer

x= 9

Answer

x= -9

Answer

x= -9, 9

Answer

x = -81, 18

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