Quiz - Solving Quadratics

What are the solutions?

• -2, 1
• 1, 2
• -1,2
• 0,-4

Solve the equation using square roots.
x² = 121

• 60.5
• ± 11
• ± 12
• 11

Use the square root property to solve the Quadratic Equation.
2(x - 4)² = 200

• ±10
• -14, 6
• -6, 14
• 100

Solve the equation using the zero product property.
(x- 9)(x + 3) = 0

• x = 3 or x = 9
• x = 3 or x = -9
• x + -3 or x = 9
• x = -3 or x = -9

Convert x²-6x+9 to factored form and identify the solution.

• (x-3)(x-3); x=3
• (x+3)(x+3); x=-3
• (x+4)(x+2); x=-4, -2
• Not factorable

Convert x²-9x+20 to factored form and solve.

• (x-10)(x+2); x=-2, 10
• (x+4)(x+5); x=-5, -4
• (x-4)(x-5); x=4, 5
• Not factorable

Determine the values of
a, b, and c for
the quadratic equation: 
4x² – 8x = 3

• a = 4, b = -8, c = 3
• a = 4, b =-8, c =-3
• a = 4, b = 8, c = 3
• a = 4, b = 8, c = -3

Use the Quadratic Formula to solve the Quadratic Equation.
x² + 5x - 36

• -9, 1
• -9, 4
• 9, 4
• 9, -4

Miked solved the equation x² + 8x = 14 by completing the square. Which of the following equations is part of the correct solution.

• (x + 4)² = 14
• (x + 4)² = 18
• (x + 4)² = 30
• (x+ 4)² = 30

Use the Quadratic Formula to solve the Quadratic Equation.
x² + 4x - 9

• -2 ± √13
• -2 ± 2√7
• -2 ± √7
• -2 + √7