Completing the Square

Find the value of "c" that completes the square.

• -4

• 4

• 8

• 16

Tags

CCSS.HSA-REI.B.4B

Solve the following quadratics equation by completing the square... x² + 4x + 1 = 0

• x = -2 ± √3

• x = -3 ± √2

• x = 2 ± √3

• x = 2 ± √2

Tags

CCSS.HSA-REI.B.4B

Solve the following quadratics equation by completing the square...

x² + 12x + 8= 0

• x = -6 ± 2√7

• x = 6 ± 2√7

• x = 28 ± √6

• x = -28 ± √6

Tags

CCSS.HSA-REI.B.4B

What value of c would make this a perfect sqaure trinomial?
x² +8x + c

• 4

• 16

• 64

• -16

Tags

CCSS.HSA-REI.B.4B

What is the correct order for solving quadratic equations by completing the square.

Tags

CCSS.HSA-REI.B.4B

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

Tags

CCSS.HSA-REI.B.4B

Complete the square for: v² - 18v + 87 = 7

• (v + 9)² - 1

• (v + 9)² + 1

• (v - 9)² - 1

• (v - 9)² + 1

Tags

CCSS.HSA-REI.B.4B

b

c

10

100

20

-10

119

81

Tags

CCSS.HSA-REI.B.4B

x² + 10x = -9 Steps to solve by completing the square are:​ (a)   ​ (b)   ​ (c)   ​ (d)   ​ ​ (e)  

• Take half of 10 and square it.

• Add 25 to both sides.

• Solve the perfect square trinomial

• Take the square root of both sides

• Solve for x to get a solution.

• Take half of -9 and add to both sides.

• Divide all terms by 10

• Set equal to zero.

Tags

CCSS.HSA-REI.B.4B

Solve the following quadratic equation by completing the square:

2x² -3x = -4

• 
• 
• 
• 

Tags

CCSS.HSA-REI.B.4B