SOLUTION: can you tell me how to solve x-y=3.
the question ask to use the y-intercept and slope to sketch the graph.
I think i have to set x as 0 but I'm not sure how to solve or set it up
Algebra.Com
Question 575489: can you tell me how to solve x-y=3.
the question ask to use the y-intercept and slope to sketch the graph.
I think i have to set x as 0 but I'm not sure how to solve or set it up.
so far i have y=x-3
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
can you tell me how to solve x-y=3.
the question ask to use the y-intercept and slope to sketch the graph.
I think i have to set x as 0 but I'm not sure how to solve or set it up.
so far i have y=x-3
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You don't solve it.
It's 1 equation with 2 variables, so it has an infinite # of solutions.
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y = x - 3 is the slope-intercept form, y = mx + b
b is the y-int, it's -3, or (0,-3). That's a point on the graph.
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The graph is a straight line, so you need 2 points to make the graph.
The slope, m, is +1, so you can count one square the right, an increase in x, and one square up, and increase in y, and plot a 2nd point.
--> (1,-2)
Draw a line thru the 2 points.
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You can pick any value for x and find y.
eg, x = 3 --> y = 0 gives the point (3,0)
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