Question

CHECK MY ANSWER.....Use the quadratic formula to find the roots of the equation. Round to tenths if necessary. 3x2 - 4x - 8 = 0

is the answer

{-1.1, 2.4} ????

Answer 1

-1.09 rounds to -1.1
2.43 rounds to 2.4 so u r correct

Answer 2

thank you!

Answer 3

I agree with your two solutions. To be more specific, the roots I get are:
2.4305 and
-1.0972

Answer 4

one more Use the quadratic formula to find the zeros of the function. y = 16x2 + 40x + 25

Answer 5

is the answer {-0.8} ??