MAT099: Quadratics #2

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

• 4
• 2
• 8
• 20

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

Find the value of C

x²+5x+c

• 10

• 25

• 25/2

• 25/4

Tags

CCSS.6.EE.A.2C

Complete the Square and solve the equation.
m² + 12m + 19 = 0

• - 6 ± √ - 19
• 6 ± √ 19
• - 23, - 11
• - 6 ± √ 17

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

3x² = 12

• ± 2
• 2
• ± √12
• ± 4

Tags

CCSS.8.EE.A.2

7x² + 1 = 8

• ± 1
• ± 7
• ± √7
• ± 8

Tags

CCSS.8.EE.A.2

(x - 2) ² = 9

• ± 3
• 5  or  -1
• -5  or  1
• ± 9

Tags

CCSS.HSA-REI.B.4B

(x + 1) ² = 25

• ± 5
• 4  or  -6
• -4  or  6
• ± 4

Solve for the unknown x.

(x-5)² = 25

• ±0

• ±10

• 10, 0

• -10, 0