SOLUTION: a. Complete the pattern in the chart. x -2 -1 0 1 2 3 - - y -9 -5 -1 3 7 - - - b. Does the chart in part a show a proportional relationship? Explain your

Question 1096270: a. Complete the pattern in the chart.
x -2 -1 0 1 2 3 - -
y -9 -5 -1 3 7 - - -

b. Does the chart in part a show a proportional relationship? Explain your answer.
c. Write an equation for the relation shown in the chart.

Answer by Edwin McCravy(20056) (Show Source): You can put this solution on YOUR website!



Yes, the green line shows that they all seem to lie on a straight line.

To find its equation,

1. Pick any two of the points, substitute in the slope formula:



2. Substitute that value of m and one of the points in the
   point-slope formula:

   y - y₁ = m(x - x₁)

   Do not substitute anything for x and y.  Leave them as letters.

3.  Simplify and solve for y.

You finish.

Edwin

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