SOLUTION: Write the quadratic equation whose roots are -1 and 2 , and whose leading coefficient is 2. (Use the letter x to represent the variable.)

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Write the quadratic equation whose roots are -1 and 2 , and whose leading coefficient is 2. (Use the letter x to represent the variable.)       Log On


   

Question 1140541: Write the quadratic equation whose roots are -1
and 2 , and whose leading coefficient is 2.
(Use the letter x to represent the variable.)



Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
Write the quadratic equation whose roots are -1 and 2, and whose leading coefficient is 2.
two factors could result from
x = 2 and x=-1
(2x-4)(x+1)
FOIL
2x^2 + 2x - 4x - 4
f(x) = 2x^2 - 2x - 4, is the equation