What is an equation of a line containing the points (-8,0) and (0,9)

Question

An equation  the line that has the points (-8,0) and (0,9)

Answer 1

Another form, often not given in basic Algebra, is x/a + y/b = 1 where the x and y intercepts are a & b, respectively.

Thus: x/(-8) + y/9 = 1 which may be simplified to taste.

Answer 2

Formula to form a equation: (y-y1)/(x-x1)=(y2-y1)/(x2-x1)

 

(-8,0) is (x1,y1)

(0,9) is (x2,y2)

 Putting the values in formula

 

(y-0)/(x-(-8))= (9-0)/(0-(-8))

y/(x+8) =9/8

8y=9(x+8)

8y = 9x+72