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

"The x-intercepts are the points where the curve crosses the x-axis and the y-coordinates are zero.
Let y = 0,
then you get
2x2+5x-1=0
Use the quadratic formula with
a = -2, b = 5, and c = -1 to find x."

Answer 2

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

Answer 3

i think its A

Answer 4

\[\frac{ -b \pm \sqrt{b ^{2}-4ac} }{ 2a}\]