SOLUTION: Determine tje concavity of the parabola representing the quadratic function,its y intercept, its x intercepts if any Exist and the coordinate of the vertex sketch the parabola. f(x

Algebra ->  Functions -> SOLUTION: Determine tje concavity of the parabola representing the quadratic function,its y intercept, its x intercepts if any Exist and the coordinate of the vertex sketch the parabola. f(x      Log On


   

Question 1175419: Determine tje concavity of the parabola representing the quadratic function,its y intercept, its x intercepts if any Exist and the coordinate of the vertex sketch the parabola. f(x) = 2xsquare-13 x + 20
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

Hi

Y = 2x^2 - 13x + 20   | Concave Upward   y = (2x-5)(x-4)
  = 2(x-13/2)^2 - 169/8 + 20   |Completing the Square
  = 2(x-13/2)^2 - 9/8          |vertex Form y=a%28x-h%29%5E2+%2Bk 
  V(13/2, -1.125)
x-intercepts P(2.5,0)  and P(4,0) 
No y-intercept

Recommend the FREE graph software  https://www.padowan.dk/download/ 
Wish You the Best in your Studies.