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## anonymous one year ago write the point-slope form of lines equation satisfying the given conditions. then use the point slope form of the equation to write the slope-intercept form of the equation in function notation Passing through (1,9) and(4,-7)

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1. misty1212

HI!!

2. misty1212

did you find the slope yet? you need that first

3. anonymous

how do u do that

4. misty1212

oops $\huge m=\frac{y_2-y_1}{x_2-x_1}$

5. anonymous

ok

6. anonymous

then what

7. dan815

y=mx+b m is the slope and b is the y-intercept

8. dan815

|dw:1436818332920:dw|

9. dan815

slope is the change in height / change in horizotanl distance

10. dan815

you can figure out where a line with that slope and passing through those points should intersect the y axis, use a bit of geometry, ill come back to see if you did it right

11. anonymous

they what is the point slope of the equation of the line and f be the the name of function

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