Question

Are the functions linear or nonlinear?
Column A
1.
y = 2x − 9
2.
y = −10.2
3.
y = 3x2 + 7
4.
3x + 5y = 15

Column B
A.
linear
B.
nonlinear

Answer 1

@freckles

Answer 2

@Angel_Bear19

Answer 3

graph them

Answer 4

@StudyGurl14

Answer 5

here https://www.desmos.com/calculator

Answer 6

You don't need to graph them. You can tell if they are linear or not by the degree of the x variable. Linear equations have a degree of 1.

Answer 7

so far i think 1&2 are linear

Answer 8

3 non linear

Answer 9

4 linear

Answer 10

Correct. Nice job. :)

Answer 11

thanks