Solving Quadratic Equations with Imaginary Solutions

Solve.
  x² = √-100

• x = 10i

• x = ± 10i

• x = ±10

• x = √10

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Solve    x² = √-25

• x = -5

• x = ± 5i

• x = √5

• x = ± 5

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Solve    x² = √-81

• x = -9

• x = ± 9i

• x = √9

• x = ± 9

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Solve.  
x² +12 = 5

• x = ± 49

• x = ± i√7

• x = ± √7

• x = ± 3.5i

Tags

CCSS.HSA-REI.B.4B

Solve for x: 3x² - 6x + 6 = 0

• x = 1± i

• x = 3, -6

• x = 4.8, 2.7

• Undefined

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

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

• x = ±2

• x = ±2i

• x = ±4

• x = ±4i

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Solve the quadratic equation 2x^2 + 8 = 0 by using square roots with imaginary numbers.

• x = ±3i

• x = ±2i

• x = ±4i

• x = ±5i

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 x² = -16

• x = -4, 4

• x = -4,0, 4

• x = -4i, 4i

Tags

CCSS.8.EE.A.2

Will the following equation have an IMAGINARY answer
11x²-9x+3=0

• yes

• no

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7