SOLUTION: Determine whether each value of x is a solution of the equation. (Select all that apply.) 30x2 + 13x − 10 = 0

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: Determine whether each value of x is a solution of the equation. (Select all that apply.) 30x2 + 13x − 10 = 0       Log On


   

Question 953871: Determine whether each value of x is a solution of the equation. (Select all that apply.)
30x2 + 13x − 10 = 0
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

30x%5E2+%2B+13x-10+=+0
30x%5E2+%2B+25x-12x+-10+=+0
5x%286x+%2B+5%29-2%286x+%2B+5%29+=+0
%285x-2%29+%286x%2B5%29+=+0
solutions:
if %285x-2%29++=+0 =>+5x+=2 =>+x=2%2F5
if +%286x%2B5%29+=+0 => 6x=-5=>x=-5%2F6

+graph%28+600%2C+600%2C+-10%2C+10%2C+-15%2C+10%2C+30x%5E2+%2B+13x-10%29+