3w^2 + 22w + 7 = 5

Holt McDougal Larson Algebra 1 Common Core Edition page 539 number 26

Asked by Dee Dee on 25 Mar 10:37

Last updated by anonymous on 28 Mar 10:59

Answered by CherieS on 28 Mar 10:59

3w^2 + 22w + 7 = 5

3w2+22w+7-5=5-5

3w2+22w+2=0

Use the quadratic equation to solve

-b sqrt+/-b2-4ac

Where: a=3 B=22 C=2

-22 sqrt 222-4(3)(2) =-22sqrt 484-24 =-22sqrt 460=-78.64

2(3) 6 6