Question

Fans & Medals!! I really need help!
Complete the equations of the system in slope-intercept form. Use a decimal for the slope if necessary.

Line 1
x y
0 3
1 5
Line 2
x y
–1 1
–2 –1

Line 1: y =___ x +___
Line 2: y =___ x +___

Answer 1

Do you know how to find slope?

Answer 2

yea m=y2-y1/x2-x1

Answer 3

Ok, so for the first line, plug in those points

Answer 4

y2-y1/x2-x1= 5-3/1-0

Answer 5

Ok, and that is 2/1

Answer 6

So 2 is the slope for the first one

Answer 7

Now, when x = 0, what is y?

Answer 8

1?

Answer 9

Look at the table,
x y
0 3

Answer 10

oh srry was looking at the equation your right =D

Answer 11

Ok, so the equation for the first one is y = 2x + 3

Answer 12

Now, do the same thing for the second line

Answer 13

I got y=-2/4x+4

Answer 14

How are you getting -2/4?

Answer 15

y2-y1/x2-x1= -1-1/-2-2=-2/-4 then plug it in to y=mx+b

Answer 16

check your points again
(-1,1)
(-2,-1)

Answer 17

oh lol ok

Answer 18

ok so this time i got y=2x+4

Answer 19

hold on noo

Answer 20

not quite, intercept is wrong

y = mx + b

1 = 2(-1) + b

Answer 21

yea srry i was looking at another chart thats why i looked at it again

Answer 22

ok so after that what do I do??

Answer 23

solve for b

Answer 24

Ok i got 3??

Answer 25

yep

Answer 26

Sorry I was doing something but that would make it ifintive?