Question

Select all of the following that are quadratic equations.

a. x^2- 2x= 4x+ 1
b. x^3- 6x^2+ 8 = 0
c. 5x- 3 = 0
d. 2x^2+ 12x= 0
e. 5x- 1 = 3x+ 8
f. 9x^2+ 6x- 3 = 0

Answer 1

i'm thinking a and f is one

Answer 2

because of the formula..

Answer 3

and b

Answer 4

b and d

Answer 5

b d f

Answer 6

only?

Answer 7

ONLY B D AND F! (:

Answer 8

yes because its written in standard form(: