Solving Quadratics Solving Equations

What do you do to the b value to correctly complete the square?

• square it

• divide it by 2 and square the result

• divide it by 2 and take the square root of the result

• divide it by 2 only

Tags

CCSS.HSA-REI.B.4B

When factoring
x² - 4x + 4 = 20,
what goes in the blank?
(x - __ )² = 20

• 4

• 2

• 8

• 20

Tags

CCSS.HSA-REI.B.4B

What are the zeros?

• x= 0 and x= -4

• x= 0 and x= 4

• y= 0

• x= 2

Tags

CCSS.HSA.APR.B.3

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

• -9, 1

• -9, 4

• 9, 4

• 9, -4

Tags

CCSS.HSA-REI.B.4B

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

• -2 ± √13

• -2 ± 2√7

• -2 ± √7

• -2 + √7

Tags

CCSS.HSA-REI.B.4B

What are the solutions?

• -.5, 3.5

• 0,6

• -2.5, 4.5

• -1, 4

Solve the equation using square roots.
x² = 121

• 60.5

• ± 11

• ± 12

• 11

Tags

CCSS.8.EE.A.2

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

• ±10

• -14, 6

• -6, 14

• 100

Tags

CCSS.HSA-REI.B.4B

Solve the equation by factoring.
x² + 13x + 40 = 0

• -8, 5

• -40, -1

• 5, 8

• -8, -5

Tags

CCSS.HSA-REI.B.4B

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

Tags

CCSS.HSA-REI.B.4B