Is (-1,2) a solution of y=-2x-1

2 answers:

Klio2033 [76]2 years ago

7 0

A solution of a function is where the function hits the x-axis, so if y is any number that is not equal to 0, there is no possible way that point can be a solution.

Hope this helps!

chubhunter [2.5K]2 years ago

4 0

The solution is: y=1.

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Step-by-step explanation:

Make 2x the only variable on the left side of the equation. Do that by taking 3 and 5 to the left. Note: if you move/transpose any number the sign must change.

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Divide both sides of the equation by 2 to make x the only variable left.

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