Question

Which of the following are solutions to the quadratic equation below?

Check all that apply.

3x2 - 7x - 3 = x

A. -
B. -3
C. -4
D. 3
E. 1
F. 2

Answer 1

one of them is D

Answer 2

use the quadratic formula to solve for both solutions
3x^2-8x-3=0
a=3 b=-8 c=-3

Answer 3

U could just substitute in and see which work....

Answer 4

yes that would probably be a faster way to do it

Answer 5

I still think the quadratic formula would also, be as fast and as easy

Answer 6

I am never very sure whether they know it or not....

Answer 7

best if they learn it, it is a classical method to solving quadratics......
extremely important for college mathematics

Answer 8

Agreed..