SOLUTION: Write the quadratic equation in standard form. What is the value of b^2 - 4ac? 1 = 2x^2 + 7x A.) 40 B.) 41 C.) 57 Thanks :)

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: Write the quadratic equation in standard form. What is the value of b^2 - 4ac? 1 = 2x^2 + 7x A.) 40 B.) 41 C.) 57 Thanks :)      Log On


   

Question 1077954: Write the quadratic equation in standard form. What is the value of b^2 - 4ac?
1 = 2x^2 + 7x
A.) 40
B.) 41
C.) 57

Thanks :)
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
2x^2+7x-1=0; a=2, b=7, c= -1
b^2-4ac=49+8=57
graph%28300%2C300%2C-10%2C10%2C-10%2C10%2C2x%5E2%2B7x-1%29