Respuesta :

akame059457

Answer:

y= 9x-7

Step-by-step explanation:

Equation of a straight line:

y = mx + b ------(i)

Step by Step Solution:

Step 1:

y = 2, x = 1

By putting above values in equation (i)

2 = 9 (1) + b

2 = 9 + b

-7 = b

b = -7

y = 9x - 7

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