Question

Use the quadratic formula to find the roots of the equation. Round to tenths if necessary. 3x2 - 4x - 8 = 0
A. {-1.7, 2.8}
B. {-2.8, 2}
C. {-1.1, 2.4}
D. no real solution

Answer 1

Here
a=3, b=-4 & c=-8\[x= \frac{ -(-4) \pm \sqrt{(-4)^2-4(3)(-8)} }{ 2(3) }\]Solve this :)

Answer 2

:/