How many real solutions does the graph of \displaystyle y=-2x^2+8x-8y=−2x 2 +8x−8have?

Question

asked May 10, 2023 174k views

1 Answer

Sunflame · Answer 1 · 2023-05-16T02:04:31+0000

we have

y=-2x^2+8x-8

Looking at the graph

the number of real solutions in a quadratic equation is equal to the number of x-intercept

In this problem

the graph has only one x-intercept (2,0)

therefore

has only one real solution