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Mathematics 9 Online
OpenStudy (sissyedgar):

Which equation is represented by the table? x y (x, y) 0 3 (0, 3) 1 5 (1, 5) 2 7 (2, 7) Options: A. y = x + 3 B. y = 2x + 3 C. y = 3x + 2 D. y = 5x

OpenStudy (anonymous):

You can plug 0,1, and 2 into every equation and see if you get 3, 5, and 7, respectively

OpenStudy (anonymous):

Alternate way: notice how the slopes between 0 and 1, and 1 and 2 are both 2?

OpenStudy (anonymous):

When your x increases by 1, your y increases by 2

OpenStudy (anonymous):

We know the slope is 2, and the y-intercept is 3 (because we have a point (0,3)) Therefore, we know the equation is y = 2x + 3

OpenStudy (sissyedgar):

Thank You Sooo Much

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