Solving Quadratic Equations with Complex Solutions

• -5i
• 5
• 5i
• -5

Solve by taking square roots.

x² = -121

• ± 11

• ± 11i

• ± 12

• 11i

Tags

CCSS.HSA-REI.B.4B

If b²-4ac is negative, the quadratic equation has:

• Two real solutions

• Two imaginary solutions

• One real solution

• No solution

Tags

CCSS.HSA-REI.B.4B

Which is a solution to \frac{1}{2\ }x^{2\ }+8=0

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Solve the following equation using any method. Write your answers as exact values in simplest form.

• A

• B

• C

• D

Tags

CCSS.HSA-REI.B.4B

Solve the following equation using any method. Write your answers as exact values in simplest form.

• A

• B

• C

• D

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Solve the following equation using any method. Write your answers as exact values in simplest form.

• A

• B

• C

• D

Tags

CCSS.HSA-REI.B.4B

Use the graph to find the solutions.

• A

• B

• C

• D