SOLUTION: How do I graph y=-x-10

Question 636684: How do I graph y=-x-10
Found 2 solutions by lenny460, MathTherapy:
Answer by lenny460(1073) (Show Source): You can put this solution on YOUR website!
How do I graph y=-x-10

Graph: y = -x - 10
We get the following coordinates:
(0, -10)
(2, -12)
(4, -14)
(-2, -8)
(-4, -6)
(-6, -4)
(-8, -2)
(-10, 0)

The Slope: rise/run = -2/2
-2/2 = -1
The Slope = -1
the y-intercept = -10
The equation of the line:
y = mx + b
y = -1x - 10
It is a straight line graph. Sorry I don't
know how to plot a graph here. I hope this
helps.

Lennox Obuong
Algebra Student
Email: obuong3@aol.com
Answer by MathTherapy(10549) (Show Source): You can put this solution on YOUR website!

How do I graph y=-x-10

y = mx + b, so from y = - x - 10, slope, or m = - 1, and y-intercept = - 10

Since the y-intercept = - 10, coordinates of y-intercept = (0, - 10). You can start from this coordinate point, and plot other points by applying the slope of - 1. The rise/run fractions can either be , or . After getting the amount of points needed, draw a line through them,

OR

Just simply get the y, and x-intercepts, and join the points.

y-intercept is the point where the x-value = 0. This is (0, - 10)

The x-intercept is the coordinate point on the x-axis where the y-value is 0. Plugging 0 for y into equation gives us:

y = - x - 10

0 = - x - 10

x = - 10

This means that the x-intercept is at (- 10, 0)

Join the two coordinate points, (0, - 10), and (- 10, 0) and you have your graph.

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