Question

5. Find the equation of the line that goes through the points (4,7) and (-2,-5)

Answer 1

equation= y-y¹=m(x-x¹)

where m= gradient or slope

slope = y²-y¹

x²-x¹

= -5-7

-2-4

-12

-6

= 2

equation= y-7=2(x-4)

y-7=2x-8

y= 2x-8+7

y=2x-1