Question

NEED EXPLANATION ON ACT MATH REVIEW Q: When graphed in the standard (x,y) coordinate plane, which of the following equations does NOT represent a line?
A. x=4
B.3y=6
C. x-y=1
D.y=3/4x-2
E. x^2+y=5

Answer 1

@Vocaloid help please?

Answer 2

E
If x is to a power that is not 1, the equasion is not a line.
A. is a horizontal line
B. is a vertical line
C. is a line of slope=1
D. is a line of slope=3/4
E. is a PARABOLA. "x^2" is a giveaway sign of a parabolic function

Therefore, the answer is E

Answer 3

Also: A linear equation is 1st degree. Answer choice 'E' is the only equation that is not 1st degree.

Answer 4

@kat0kitty

Answer 5

ok, thanks for the help!

Answer 6

yeah of course :)

Answer 7

wait, wouldn't a parabola still be a line, just not a straight one?

Answer 8

@_greatmath7

Answer 9

no I don't think so

Answer 10

let me look it up real quick

Answer 11

oh you are right

Answer 12

but I still think the answer is E

Answer 13

ill look up the answer real quick I'm using a ACT prep book

Answer 14

it was E

Answer 15

ok

Answer 16

:)

Answer 17

line means straight line in the land of math :)

no parabola is not a considered a line.
it is a path, or curve, but not a line.