Complete the equations of the system in slope-intercept form. Use a decimal for the slope if necessary.

Line 1
x y
–2 4
2 6
Line 2
x y
–2 –2
0 4

Question

Complete the equations of the system in slope-intercept form. Use a decimal for the slope if necessary.
 
Line 1
x	y
–2	4
2	6
Line 2
x	y
–2	–2
0	4

anonymous · Answer

@itachi-san! @iambatman @sleepyhead314 @TheSmartOne @AndrewTheCookie

sleepyhead314 · Answer

find slope
do you know how to find slope?

anonymous · Answer

yep.

anonymous · Answer

y2-y1/x2-x1

sleepyhead314 · Answer

yes, find the slopes of the given lines :)

anonymous · Answer

i did that. Its the y-intercept in line 1 i don't get.

sleepyhead314 · Answer

ok
you got    y = mx + b
plug in what you got for m
then Temporarily plug in one of the points on the line for (x,y)

sleepyhead314 · Answer

and try to solve for b

anonymous · Answer

for the first one: 0.5
for the second one: 3

sleepyhead314 · Answer

yes
fore line 1->   y = 0.5x + b
temprarily plug in (-2, 4)
so   4 = (0.5)(-2) + b    solve for b

anonymous · Answer

ok, so far I have y=3+4

anonymous · Answer

3x*

sleepyhead314 · Answer

correct

anonymous · Answer

but its the first line I'm stuck on.

sleepyhead314 · Answer

fore line 1->   y = 0.5x + b
temprarily plug in (-2, 4)
so   4 = (0.5)(-2) + b    solve for b

anonymous · Answer

okay. thanks.

anonymous · Answer

I got y=0.5x+5. is that correct?

anonymous · Answer

@sleepyhead314

sleepyhead314 · Answer

yes :)

anonymous · Answer

thanks. :)