SOLUTION: please help me answer Write the equation of the line that passes through (3,-5) and (5,7) thanks

Question 192690: please help me answer

Write the equation of the line that passes through (3,-5) and (5,7)

thanks
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Write the equation of the line that passes through the points (3, -5) and (5, 7)
You could use the "slope-intercept" form of the equation: y = mx+b where m = slope and b = y-intercept.
To find the slope:
Using the x- and y-coordinates of the given points, make the appropriate substitutions:
Simplify.

So now you have:
and you need to find b, the y-intercept. Use the x- and y-coordinates of either one of the two given points and substitute:

Subtract 30 from both sides.

Now you can write the final equation in slope-intercept form:

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