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It would look something like this |dw:1377660607062:dw|.
well how did u found that out?
when x = 0, y = 0 since y = -5x y = -5*0 ... plug in x = 0 y = 0
therefore, one point on this line is (0,0)
when x = 1, y = -5 because y = -5x y = -5*1 .... replace x with 1 y = -5 so we know that (1,-5) is also on the line
set up a coordinate axis |dw:1377660830862:dw|
add tick marks |dw:1377660848830:dw|
plot the two points |dw:1377660894808:dw|
then draw a straight line through those two points |dw:1377660925008:dw|
cool thanks for ur help)))
so I do have this one as well y=3x+4 I solve it I got -4y=3x the I graph it like this is it right? |dw:1377661024596:dw|
the graph is incorrect
but I solve it right?
what happens when you plug in x = 0
3 becomes a 0
y = 3x + 4 y = 3*0 + 4 y = 0 + 4 y = 4 so you can see the point (0,4) is on the graph
that means I have to plug 0 to all x variables?
there's only one x term, but yes
what happens when x = 1?
then the numbers stays the same
what do you get for y
y = 3x + 4 y = 3*1 + 4 ... replace x with 1 (since x = 1) y = ??
so (1,7) is also on the line
we have two points: (0,4) and (1,7)
that's enough info to plot the line
ok well the graph will be like this then? |dw:1377661673442:dw|
good, you got this down
yeah then I think I got it
thanks a lot for your help