Question

B^2-4ac would equal: y=2x^2-x-3

Answer 1

25

Explanation:

y = 2x² - x - 3

A = 2 , B = -1 , C = -3

B² - 4AC

(-1)² - 4(2)(-3)

1 + 24

25

Answer 2

25

Explanation:

In this equation, ax^2+bx+c, b = -1, a = 2, and c = -3. Solving, (-1)^2 - 4(2)(-3) = 1 - (-24), or 25.