Intro to Completing the Square

• 6

• 9

• 3

• -6

Tags

CCSS.HSA-REI.B.4B

Tags

CCSS.HSA-REI.B.4B

Complete the following square: add the missing c value, and be sure to add the same c value to the right to keep the equation balanced! (Hint: Move any extra constant to the other side of the equation before completing the square!) (Hint: Move any extra constant to the other side of the equation before completing the square!) x^2-14x+13=0

•  $\left(x-7\right)^2=-13$  

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 1st step in solving a Quadratic Equation using Completing the Square

• Divide b by 2

• Square root both sides

• Make sure the equation equals 0

• Get the variable terms on one side by themselves

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

What value of c would make this a perfect square trinomial?
x² + 2x + c

• 2

• 4

• -2

• 1

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

Solve the equation by completing the square and then finding the roots. 
x²+ 6x - 4 = 36

• x = -7, 7

• x = 4, -10

• x = -4 +- √7

• x = 10, -4

Tags

CCSS.HSA-REI.B.4B