Complete the Square

Presentation

•

Mathematics

•

8th Grade

•

Medium

•

CCSS

HSA-REI.B.4B

Standards-aligned

Sara Whorton

Used 160+ times

FREE Resource

4 Slides • 9 Questions

Complete the Square

Find the c value by completing the square

b divided by 2
then square it

Multiple Choice

Complete the Square
x² + 10x + ____

x² + 10x - 100

x² + 10x + 100

x² + 10x - 25

x² + 10x + 25

Multiple Choice

Complete the square.
x² + 6x + ____

x² + 6x + 9

x² + 6x - 36

x² + 6x + 36

x² + 6x - 9

Multiple Choice

Complete the square for
x² + 12x + ____

x² + 12x + 144

x² + 12x + 36

x² + 12x - 36

x² + +12x - 144

Multiple Choice

Solve by completing the square:

k² − 12k + 20 = 0

k = 10 and 2

k = -6 and -6

k = 22 and -10

k = -2 and 6

Multiple Choice

Solve by completing the square:

x² + 10x = -9

x = 1 and -12

x = -1 and -9

x = 1 and -9

x = 1 and -1

Multiple Choice

Solve by completing the square:

n² - 2n - 3 = 0

n = 3 and -1

n = 4 and -4

n = 5 and -3

n = 8 and -7

Multiple Choice

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

Multiple Choice

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

Multiple Choice

What is the first step to solving THIS equation by completing the square?

a² + 10a + 21 = 0

Set the equation equal to zero

Divide 10 by 2 and add the result to both sides

Add a² and 10a together

Subtract the 21

Complete the Square

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