Use the quadratic formula to solve x2 + 8x + 9 = 0. Estimate irrational solutions to the nearest tenth.

{-6.6, - 1.4}

{-18, 10}

{-13.3, - 2.7}

{-3.7, 14.3}

Question

Marcellus

30 June, 02:58

+3

Answers (2)

Know the Answer?

Danielle Morales · Answer 1

I'm Pretty Sure It Would Be Answer A. {-6.6, - 1.4}

Mikayla Stanley · Answer 2

Dianna67 is right. The answer is (-6.6, - 1.4). If you use the quadratic formula, you will get two solutions:

-4 - sqrt of 7 & sqrt of 7 - 4

Use the quadratic formula to solve x2 + 8x + 9 = 0. Estimate irrational solutions to the nearest tenth.{-6.6, - 1.4}{-18, 10}{-13.3, - 2.7}{-3.7, 14.3}