Imaginary Solutions (No Quadratic Formula)

Solve.

x² +12 = 5

• x = ± 49

• x = ± i√7

• x = ± √7

• x = ± 3.5i

x² + 36 = 0

• x = ±6

• x = 6i

• x = -6

• x = ±6i

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

33 = 18 - 3x²

• x = ±5i

• x = ±i√5

• x = ±√5

• x = i√5

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

2(x - 8)² + 40 = 16

• x = 8 ± 2i√3

• x = 8 ± √-12

• x = -8 ± 2i√3

• x = 8 ± 3i√2

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

⅖(x + 3)² + 8 = -32

• x = 3 ± 10i

• x = ±13i

• x = -3 ± 10i

• x = ±i√10

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7