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Mathematics 9 Online
OpenStudy (javsteratl):

WILL MEDAL FAST- Find an equation for the line that passes through (-4, 8) and (3, -7). What is the slope? Where does the line intersect the x-axis and the y-axis?

OpenStudy (liziekay):

plug it into y2- y1 over x2-x1 are you familiar with this equation?

OpenStudy (liziekay):

|dw:1471984047746:dw|

OpenStudy (liziekay):

|dw:1471984106749:dw|

OpenStudy (liziekay):

that's the slope

OpenStudy (liziekay):

and are you looking for the x or y intercept or both?

OpenStudy (javsteratl):

both

OpenStudy (liziekay):

try plugging in x as 0 and y as 0 into the equation. Did they provide an equation?? If not, use point slope form. Are you familiar with it?

OpenStudy (liziekay):

|dw:1471984467885:dw|

OpenStudy (liziekay):

m is slope and chooseone point and plug it in, what do you get as the equation?

OpenStudy (liziekay):

|dw:1471984592103:dw|

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