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Mathematics 13 Online
OpenStudy (gokuporter):

Which answer is the equation of the line represented in function notation? http://prntscr.com/a1kdro http://prntscr.com/a1kdxq

OpenStudy (mathmale):

Goku, where is the work you have done? To write the equation of this line you must first obtain the slope and y-intercept. Surely you know how to do that.

OpenStudy (gokuporter):

-4 is the y intercept

OpenStudy (gokuporter):

how do you find the slope

OpenStudy (mathmale):

What does "y-intercept" mean to you? It is not -4. What does "slope" mean to you? Ideally you'd know the definition by heart.

OpenStudy (gokuporter):

A slope is how steep a straight line is.

OpenStudy (gokuporter):

Y-intercept is when the graph or line crosses the y-axis

OpenStudy (gokuporter):

@Mathmale I'm pretty sure the answer is the last choice because there is no y-intercept or slope.

OpenStudy (gokuporter):

@Mathmale hurry up

OpenStudy (mathmale):

There is a formula for slope: It is m = rise / run = (change in y) over (change in x) Use this formula to find the eq'n of the slope of the given line. Your answer must be a number.

OpenStudy (gokuporter):

B and I did use the formula|dw:1455138628536:dw|

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