Completing the Square

Solve the equation by completing the square.  5x² - 35x + 60 = 0

• {3,  -4}

• {-3,  4}

• {3,  4}

• {-3,  -4}

Tags

CCSS.HSA-REI.B.4B

Solve the following quadratic equation by completing the square.

x² + 4x + 1 = 0

• {-2 ± √3}

• {-3 ± √2}

• {2 ± √3}

• {2 ± √2}

Tags

CCSS.HSA-REI.B.4B

Solve by completing the square. x² + 10x = -9

• {1, -12}

• {-1, -9}

• {1, -9}

• {1, -1}

Tags

CCSS.HSA-REI.B.4B

Tags

CCSS.HSA-REI.B.4B

(a)  

Tags

CCSS.HSA-REI.B.4B

• 8

• 64

• 16

• 4

• 256

Tags

CCSS.HSA-REI.B.4B

What should be added to both sides of the following equation to complete the square?
x² + 12x = 5

• 12

• 6

• 36

• 5

Tags

CCSS.HSA-REI.B.4B

Lori is completing the square to solve the quadratic equation. Which equation is the result of correctly completing the square?​

Tags

CCSS.HSA-REI.B.4B

Complete the Square
x² + 6x = 5

• (x + 3)² = 5

• (x + 6)² = 9

• (x + 3)² = 14

• (x + 6)² = 14

Tags

CCSS.HSA-REI.B.4B

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