A: What are the solutions to the quadratic equation x^2+9=0?

B: What is the factored form of the quadratic expression x^2+9?

Select one answer for question A, and select one answer for question B.

A: x=3

A: x=-3i

A: x=3i or x=-3i

A: x=3 or x=-3

B: (x+3) (x+3)

B: (x-3i) (x-3i)

B: (x+3i) (x-3i)

B: (x+3) (x-3)

Question

Mathematics

Judah Oconnell

4 February, 12:08

A: What are the solutions to the quadratic equation x^2+9=0?

B: What is the factored form of the quadratic expression x^2+9?

Select one answer for question A, and select one answer for question B.

A: x=3

A: x=-3i

A: x=3i or x=-3i

A: x=3 or x=-3

B: (x+3) (x+3)

B: (x-3i) (x-3i)

B: (x+3i) (x-3i)

B: (x+3) (x-3)

+5

Answers (1)

Know the Answer?

Lindsay Warren · Answer 1

Part A)

x=-3i

x=3i

Part B)

(x+3i) (x-3i)

Step-by-step explanation:

Given:

Part A)

x^2+9=0

x^2=-9

x = √-9

x=√-1 * √9

x=± i * 3

x=±3i

Part B)

x^2+9=0

x^2 - (-9) = 0

x2 - (3i) ^2=0

(x-3i) (x+3i) = 0!

A: What are the solutions to the quadratic equation x^2+9=0?B: What is the factored form of the quadratic expression x^2+9?Select one answer for question A, and select one answer for question B.A: x=3A: x=-3iA: x=3i or x=-3iA: x=3 or x=-3B: (x+3) (x+3)B: (x-3i) (x-3i)B: (x+3i) (x-3i)B: (x+3) (x-3)