Solve Equations with Imaginary Solutions

• x = 10i, -10i

• x = 10, -10

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

• x = 5, -5

• x = 5i, -5i

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Solve: x^2-50=2x^2

• x = 5i, -5i

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

• x = 7i, -7i

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Solve.   x² = √-90

• x = 3√10

• x = 9i√10

• x = ± 3√10

• x = ± 3i√10

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Find the solutions of the quadratic equation x^2 + 4 = 0.

• x = 1, x = -1

• x = 2, x = -2

• x = 2i, x = -2i

• x = 4i, x = -4i

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Solve x² - 5x + 10 = 0

• (5 - i√15)/2  ,  (5 + i√15)/2

• (5 - √15)/2  ,  (5 + √15)/2

• (5 - i√65)/2  ,  (5 + i√65)/2

• (5 - √65)/2  ,  (5 + √65)/2

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Determine the solutions of the equation 4x^2 + 16 = 0 using square roots with imaginary numbers.

• x = ±2i

• x = ±4i

• x = ±8i

• x = ±6i

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Solve by taking square roots.

x² = -121

• ± 11

• ± 11i

• ± 12

• 11i

Tags

CCSS.HSA-REI.B.4B

Solve by ANY method you have learned: x²−2x+11=0

• 1±i√10

• 1±√10

• -1±i√10

• -1±√10

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7