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Mathematics 7 Online
OpenStudy (anonymous):

Identify the equation of the graph shown. A) y = 2x + 3 B) y = 2x - 3 C) y = -2x + 3 D) y = -2x - 3

OpenStudy (anonymous):

Parth (parthkohli):

Let's pick two points on the line: \((-1,5)\) and \((0,3)\).

Parth (parthkohli):

Now find the slope.

OpenStudy (anonymous):

the slope is going downwards..

Parth (parthkohli):

Very good, so the slope is negative :)

Parth (parthkohli):

And the \(y\)-intercept is \(3\).

OpenStudy (anonymous):

ok so i can already eliminate 2 of them

OpenStudy (anonymous):

wait is my answer d

Parth (parthkohli):

Notice that the \(y\)-intercept is \(3\) and the slope can only be \(-2\).

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