Factor Complete the Square

Solve by completing the square.
n² + 16n - 18 = 0

• -6 + 3√7 and -6 - 3√7

• -10 + √127 and -10 - √127

• -3 and -9

• -8 + √82 and -8 - √82

Tags

CCSS.HSA-REI.B.4B

Solve by completing the square.
2n² - 24n - 54 = 18

• 10 + 3√21 and 10 - 3√21

• -4 + √86 and -4 - √86

• 6 + 6√2 and 6 - 6√2

• 5 + √114 and 5 - √114

Tags

CCSS.HSA-REI.B.4B

Standard Form, Factored Form, or Vertex Form?

• Standard Form

• Factored Form

• Vertex Form

• x = -1, x = 9

• x = -9, x = -11

• x = -1, x = -9

• None of the above

Tags

CCSS.HSA-REI.B.4B

b

c

-10

20

10

100

81

119

Tags

CCSS.HSA-REI.B.4B

Mathematical Equivalence

ON

Tags

CCSS.HSA-REI.B.4B

Solve for the POSITIVE SOLUTION ONLY of x by completing the square. ROUND to the nearest hundredth (2 decimal places).

Mathematical Equivalence

ON

Tags

CCSS.HSA-REI.B.4B

• + 49

• - 49

• + 36

• - 36

• + 6

• - 6

• + 7

• - 7

Tags

CCSS.HSA-REI.B.4B

What number will complete the square?

• 7

• 49

• 28

• 98

Tags

CCSS.HSA-REI.B.4B

• 9

• 6

• 18

• 3

Tags

CCSS.HSA-REI.B.4B