Question

Use the graph of the function y = –x2 + 2x + 8 to determine the solutions of the quadratic equation 0 = –x2 + 2x + 8. What are the solutions of the quadratic equation 0 = –x2 + 2x + 8? –4 and 2 –2 and 8 –2 and 4 4 and 8

Answer 1

So,option C is correct,the -2 and 4 is the solution of this equation.

Explanation:

Answer 2

As given in the equation

y=-x^2+2x+8

-x^2+2x+8=0

-x^2+4x-2x+8=0

-x(x-4)-2(x-4)=0

(-x-2)(x-4)=0

x=4 and x=-2

So,option C is correct,the -2 and 4 is the solution of this equation.