SOLUTION: what is the standard form of a line that passes through these points (1,2) (21,-58) and how do you get that answer

Question 19076: what is the standard form of a line that passes through these points (1,2) (21,-58) and how do you get that answer
Answer by music974(43) (Show Source): You can put this solution on YOUR website!
First you find the slope in the formula y2-y1/x2-x1.(1,2) are points 1.(21,-58) are points 2. Now you subsitute it so it would be -58-2/21-1, -60/20,
-6/2,-3. -3 would be your slope so now you put it into slope intercept form which is y=mx+b. Since now you want to find the y-intercept you plug in the equation points and the slope. 2=-3(1)+b, 2=-3+b. Now you add both sides by 3 because you want to get the b alone so then b=5. Now have the slope intercept equation which is y=-3x+5. Now to get the standard form you add 3x to both sides so the answer would be 3x+y=5.

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