Question

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

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

Answer 1

y = -2x^2 + 5x - 1
When y = 0, 0 = -2x^2 + 5x - 1
Apply the quadratic formula
So the answer is A

Answer 2

thnk u so much vishal ur a big help.

Answer 3

thanks...