SOLUTION: Use this chart to answer question. X: -2 : -1 : 0 : 1 : 2 : 3 : 4 : 5 : Y: -9 : -5 : -1: 3 : 7 : 11: 15: 19: Does the chart in part a show a proportional rel

Algebra ->  Probability-and-statistics -> SOLUTION: Use this chart to answer question. X: -2 : -1 : 0 : 1 : 2 : 3 : 4 : 5 : Y: -9 : -5 : -1: 3 : 7 : 11: 15: 19: Does the chart in part a show a proportional rel      Log On


   



Question 1029828: Use this chart to answer question.
X: -2 : -1 : 0 : 1 : 2 : 3 : 4 : 5 :
Y: -9 : -5 : -1: 3 : 7 : 11: 15: 19:
Does the chart in part a show a proportional relationship? Explain your answer.
Write an equation for the relation shown in the chart. Graph the equation.

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
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Yes. Proportional relationship means the points form a straight line.
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Use any two points to get the slope.
m=%283-%28-1%29%29%2F%281-0%29=4%2F1=4
Use the point slope form,
y-3=4%28x-1%29
y-3=4x-4
y=4x-1