# algebra

which ordered pair is a solution of the equation y=5x
(-2,10)
(-5,25)**
(-3,15)
(-2,10)

which ordered pair is a solution of the equation y=-9x+4
(10,-86)
(-4,-58)
(6,-41)**
(-6,57)

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1. Since an ordered pair is organized as (x,y) just plug in the value for x and see if it matches up with the y it's paired with.

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2. In the first pair, none match, because if x is negative, y will be negative. Did you miss a negative sign?

The second problem is wrong. Do what Lily suggests.

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