Respuesta :

Answer:

y = 5x +23

Step-by-step explanation

y = mx + b

the gradient ; m = 5 (given)

to find y=int, b, plug in the coordinate into y = mx + b;

3 = 5(-4) + b

3 = -20 + b

b = 23

so, we got y = 5x + 23

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