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August 1, 2014

August 1, 2014

Posted by **Mathilde** on Thursday, February 21, 2008 at 12:42am.

It says this:

3a. What is the y-intercept of the trend line?

3c. Write an equation for the trend line in slope-intercept form.

I don't really know what they mean?

Please help me.

- Pre Algebra -
**Kay**, Thursday, February 21, 2008 at 12:50am3a. The y-intercept 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 y-intercept would be +2.

3c. When they say write it in slope form they mean y=mx+b. M= slope b= y-intercept. Like if your slope went down 2 over 1 and your y-intercept was positive two your equation would look like this

Y = 2/1x + 2

- Pre Algebra -
**Mathilde**, Thursday, February 21, 2008 at 1:08amI don't quite get 3c still?

- Pre Algebra -
**Telvin**, Monday, March 3, 2008 at 5:34pmwhats y-intercept 4 and 5

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