SOLUTION: I know that the table represents a linear function, but I'm having difficulty coming up the linear equation that models the data.
x: 0 5 10 15
f(x): -6 9 24 39
My answers s
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Question 1126550: I know that the table represents a linear function, but I'm having difficulty coming up the linear equation that models the data.
x: 0 5 10 15
f(x): -6 9 24 39
My answers so far have been: -3x+5, 3x+5, 5x+3, and 5x+ 15.
Answer by Theo(13342) (Show Source): You can put this solution on YOUR website!
looks like the slope is 3.
change in y divided by change in x = 15/5 = 3
y-intercept is -6 (value of y when value of x is equal to 0.
equation should be y = 3x - 6
when x = 0, y = -6
when x = 5, y = 15 - 6 = 9
when x = 10, y = 30 - 6 = 24
when x = 15, y = 45 - 6 = 39
that's your solution.
slope intercept form of the equation of a straight line is y = mx + b
m is the slope
b is the y-intercept
slope is change in y / change in x.
your data fits the equation of y = 3x - 6.
here's a graph of the equation.
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