Asked by Juan Fernandez
The quadratic function f is negative only on the open interval (−2, 1/4 ) and its graph passes through the point (−1, −5). Find a,b, and c.
Answers
Answered by
Anonymous
you know that the roots are -2 and 1/4.
So, y=a(x+2)(x - 1/2)
Now just use the point given to find a, and then expand if you want the coefficients.
So, y=a(x+2)(x - 1/2)
Now just use the point given to find a, and then expand if you want the coefficients.