Question

Determine the given point is a solution to the equation. Show all work.
1) 3x-7y=4; (1,-1)

Answer 1

NOT a solution

Explanation:

Substitute the values of x and y and see if the equation is satisfied:

3(1) -7(-1) = 3 +7 = 10 ≠ 4 . . . . . . the given point is not on the line

(1, -1) is not a solution to the equation.

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(-1, 1) is a solution