Algebra practice question

Answer: -6

P is (5, 4), and 4 = 2(5) + c gives c = −6.

Common wrong answers

If you answered 4

4 is the y-coordinate of P.

If you answered 6

6 has the sign wrong.

If you answered -1

−1 swaps the coordinates of P to (4, 5), giving 5 = 8 + c.

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