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What is the slope-intercept form of the function described by this table?


x 1 2 3 4

y −2 −6 −10 −14



y =____ x +____

Fill in the blanks (Again ^_^)

Verified Answer :

iGreen

Take any two points and plug them into the slope formula, let's take (1, -2) and (2, -6):

m = y2-y1/x2-x1

m = -6+2/2-1

m = -4/1

m = -4

Now we can plug this and one of the points into point-slope form:

y - y1 = m(x - x1)

Where y1 is the y-value of the point, x1 is the x-value of the point, and m is the slope.

y + 2 = -4(x - 1)

Distribute -4 into the parenthesis:

y + 2 = -4x + 4

Subtract 2 to both sides:

y = -4x + 2

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