Asked by lisa

i know that the slop intercept form is
y-y1=m(x-x1)
i have to write an equation for a line that has a slope of 6 and contains the point (-8,-7) even with the formula i don't now how, HELP!!!!

Answers

Answered by Reiny
the x1 and y1 are the values of your given point, so just sub them in

y-y1=m(x-x1)
y - (-8) = 6(x - (-7))
y + 8 = 6(x + 7)
y + 8 = 6x + 42
y = 6x + 34

BTW, the formula you gave is generally called the slope-point form

the final version I gave you has the form
y = mx + b, which is called the slope-intercept form
Answered by dana
i just realized the error thank you!
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