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jasenka [17]
4 years ago
12

Which equation represents the function whose data is shown in the table?

Mathematics
2 answers:
Travka [436]4 years ago
8 0

Then the answer is D), because in the equation y=2x-1, it is raising by 2 and the y-intercept is (0,-1)

sergeinik [125]4 years ago
6 0

Slope intercept form is:

y = mx + b

"m" is the slope, "b" is the y-intercept(the y value when x = 0)


To find "m" you can use the slope formula:

m =\frac{y_{2}-y_{1}}{x_{2}-x_{1}}

And plug in 2 points from the table. I will be using the points (1 , 1) and (2, 3)

m =\frac{y_{2}-y_{1}}{x_{2}-x_{1}}

m = \frac{3-1}{2-1} =\frac{2}{1}=2


y = 2x + b

In the table, when x = 0, y is -1. So your y-intercept is -1


y = 2x - 1


Your answer is D

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