SOLUTION: want to solve y=-2-1/2x?

Question 386384: want to solve y=-2-1/2x?
Answer by gwendolyn(128) (Show Source): You can put this solution on YOUR website!
To graph a linear equation, start by putting the equation into slope-intercept form:
y = mx + b
where m is the slope and b is the y-intercept.
Your equation is almost in the right form; we just need to reorder the terms on the right hand side:

, or

So, the slope (m) of the line is and the y-intercept is -2
The y-intercept means the line has a y value of -2 when x = 0.
This is enough to draw the line, but to make it easier to draw
we can also find the value of x when y = 0:

-4 = x
So the x intercept (the value of x when y = 0) is -4.
Now we have two points:
(-4, 0)
(0, -2)
You can use these two points to draw the following graph:

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