Question

h

Answer 1

What do you think?

Answer 2

y=mx+c

1=13m+c
2=17m+c

Solve these 2 equations to get m and c.

Answer 3

just subtract them?

Answer 4

to know that you need to solve these 2 eqns

Answer 5

1=13m+c
-2=-17m-c
___________
-1=-5m
m=5

now solve for c

Answer 6

you are right!

Answer 7

Actually what we did is right. Are you sure the options are correct?

Answer 8

None of the options agrees with the given data.

Answer 9

thats what I thought

Answer 10

thats the table they gave me :(

Answer 11

I don't know how to help then =/

Answer 12

if you had to guess which one looks right?

Answer 13

If you really want an answer I can take a particular case

where x=6 and y=-2

Options d satisfies this :

y=3x-20=3*6-20=18-20=-2

Answer 14

okay thank you, on to the next question thanks for your help guys

Answer 15

yw :)