Question

(I REALLY NEED HELP, I'M STUCK, PLEASE EXPLAIN YOUR ANSWER!!!)

Solve the equation by using the quadratic formula or by graphing the related quadratic function.
y=2x²+3x-30

What are the solutions, rounded to the nearest tenth?

A) x ≈ 9.3 or x≈ -6.3
B) x ≈ 3.2 or x ≈ -4.7
C) x ≈ 6.4 or x ≈ -9.4

Answer 1

A) x ≈ 9.3 or x≈ -6.3
B) x ≈ 3.2 or x ≈ -4.7
C) x ≈ 6.4 or x ≈ -9.4

The answer is B