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Question

Which statement justified the given ordered pair as a solution to the system of equations
(-1, -13), (y=3x-10), (y=-2x-15)
7 years ago

Answers

Reiny
subbing x = -1 into the first equation gives you
3(-1) - 10 = -13, so it satisfies the first
subbing x = -1 into the 2nd equation gives you
-2(-1) - 15 = -13, so it satisfies the 2nd as well

(-1,-3) must be the intersection point, or the solution to
y=3x-10 and y=-2x-15
7 years ago

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