Pre Algebra
posted by Mathilde .
This is about Reasoning Strategy...
It says this:
3a. What is the yintercept of the trend line?
3c. Write an equation for the trend line in slopeintercept form.
I don't really know what they mean?
Please help me.

3a. The yintercept is where the line crosses the y axis. The y axis is the line going up and down. So if the line crossed at positive two your yintercept would be +2.
3c. When they say write it in slope form they mean y=mx+b. M= slope b= yintercept. Like if your slope went down 2 over 1 and your yintercept was positive two your equation would look like this
Y = 2/1x + 2 
I don't quite get 3c still?

whats yintercept 4 and 5
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