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Which point lies on the equation (y=x+4)?

Answer and explanation

Correct answer: ( (3,7) )

The direct answer is option B: (3,7). For a point (x,y) to lie on y = x + 4, substituting its x-coordinate must produce its y-coordinate. Option A, (4,4), gives x + 4 = 4 + 4 = 8, not 4, so it is wrong. Option B, (3,7), gives 3 + 4 = 7, so it satisfies the equation and is correct. Option C, (7,3), gives 7 + 4 = 11, not 3, so it is wrong. Option D, (0,3), gives 0 + 4 = 4, not 3, so it is wrong. The ordered pair matters: changing the positions of x and y changes the result. Memory cue: calculate x + 4 and compare it directly with y.

Related tags

Point On LineSubstitutionGraphical Method

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