Question

Choose the equation that represents the solutions of 0 = 0.25x2 - 8x.

Answer 1

x = [-(-8) ± √((-8)^2 - 4(0.25)(0))]/2(0.25)

Explanation:

0 = 0.25x^2 - 8x.

0.25x^2 - 8x = 0

Quadratic formula: ax^2 + bx + c = 0

so a = 0.25, b = -8, c = 0

x = [-b ± √(b^2 - 4ac)]/2a

x = [-(-8) ± √((-8)^2 - 4(0.25)(0))]/2(0.25)

x = [-(-8) ± √((-8)^2 - 4(0.25)(0))]/2(0.25)

Answer 2

C

Explanation:

`0.25x^2-8x=0 \\\\\\x=(8\pm√((-8)^2-4(0.25)(0)))/(2(0.25))`

Therefore, the correct answer is choice C. Hope this helps!