Question

Use the quadratic formula to find the x-intercepts of the function. Round to the nearest tenth if necessary.
y = -2x2 + 5x - 1

Answer 1

to find x-intercepts, set y=0
-2x^2+5x-1=0
you can use the quadratic formula

Answer 2

A. {2.3, 0.2}
B. {2.2, -5.8}
C. {-9.2, -0.8}
D. no real solution

Answer 3

\[x=\frac{-5 \pm \sqrt{5^2-4(-2)(-1)}}{2(-2)}\]