Respuesta :

desinablessing15

Answer:

equation= y-y¹=m(x-x¹)

where m = gradient or slope

slope= y²-y¹

x²-x¹

= 4--7

-1--3

= 4+7

-1+3

= 11

2

= 5.5

equation= y-4=5.5(x--1)

= y-4=5.5(x+1)

y-4= 5.5x+5.5

y= 5.5x+5.5+4

y= 5.5x+9.5

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good job