Question

Determine if the graphs of the given equations are parallel.

y=2x+7
7y+2x=4

what is the slope of the line y=2x+7

what is the slope of the line 7y+2x=4

Are the graphs parallel?

Answer 1

slope form

y = mx + b; m is the slope

Answer 2

what is the slope of the line 7y+2x=4

Answer 3

Honestly, I am seriosly lost on this question.. I dont even know where to start

Answer 4

so for the first one 2 is the slope?

Answer 5

if the slopes are the same, the lines are parallel

Answer 6

ok try solving for y
7y+2x=4

Answer 7

I feel silly but what would be my first step?

Answer 8

subtract 2x from both sides

Answer 9

The slope would be -2?

Answer 10

for the first?

Answer 11

nope write the whole thing


1st equation slope is 2

Answer 12

ok..... so the second would be the same then?

Answer 13

no, try solving for y, will help u

Answer 14

oh my ok.. let me work this out.. Just a sec

Answer 15

It would be 4?

Answer 16

nope

7y+2x=4

subtract 2x from both sides

Answer 17

sorry I thought I did.. this is embaressing ... ok just a sec

Answer 18

For some reason I just keep getting 2

Answer 19

7y+2x=4
-2x -2x

7y = -2x + 4 is that correct?

Answer 20

(4-2x)/7

Answer 21

yes

Answer 22

correct

one extra step
y = -2/7x + 4/7

whats the slope

Answer 23

is it undefined?

Answer 24

y = mx + b

m = -2/7

Answer 25

I dont see where I went wrong....