Homework Help: Math

Posted by Melanie on Wednesday, January 26, 2011 at 4:42pm.

For the equation y = -6x, what is the slope and y intercept? The formula is y = mx + B. I know that m = the slope and B = the y intercept. So in the equation y = -6x, what is the slope and y intercept? Is -6 the y intercept or the slope? Because if it's the slope, How am I suppose to figure out what the y intercept is? I have to make a graph too... Please help! I'm so confused !

Preferably someone who's good at Math and know's what there doing. Thank you :)

Math - Melanie, Wednesday, January 26, 2011 at 4:53pm
Please... someone help! :(
Math - helper, Wednesday, January 26, 2011 at 5:29pm
y = -6x

Slope m = -6
There is no y-intercept.

Pick points to graph.
y = -6x
x = 0, y = 0
x = 1, y = -6
x = -1, y = 6
x = 2, y = -12
x = -2, y = 12

If you graph this, you will see a line through the origin.

This line does not intersect the y-axis.
Therefore, there is no y-intercept.

If you graph, I think you will see why there is no y-intercept.

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