Question

Determine a funçao de 1 grau que contem os pontos a) (1,-3) e (6,7) b) (1,3) e (5,-1)

Answer 1

A) y=mx+b

M= 7-(-3)/6-1=10/5= 2

7=2*6+b

B= 7-12 = -5

B) m= -1-3/5-1= -4/4 = -1

3=-1*1+b

B= 3-1=2