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Sagot :

Answer:

y = x - 2

Step-by-step explanation:

Using any two points to find the slope.    I will using (3, 1) and (7, 5)

Slope = (change in the y values)/(change in the x values)

Slope =  (5 - 1)/(7 - 3) = 4/4  = 1

Next find the y -intercept "b", using the table to find the value of y when x is zero. That point is (0, -2) . So the y-intercept ("b")  is -2

or  use one of the point (7, 5) and substitute into the slope- intercept formula and solve for "b'

y = mx + b

5 = 1(7) + b

5 = 7 + b

-2 = b

Write the equation in the slope-intercept form y = x - 2