Proportional Relationships — Test

Question 27 • Grade 7 Mathematics

Which graph represents a proportional relationship?

Answer

Image with description A coordinate plane. The vertical line passes through the second and third quadrants and passes through the point (negative 3 units comma 0).

Image with description A coordinate plane. A straight line rises from left to right begining in the third quadrant. It passes through the origin, and continues to rise in the first quadrant.

Image with description A coordinate plane. A curve begins in the third quadrant and rises quickly, then flattens near the origin. It rises quickly again in the first quadrant.

Image with description A coordinate plane. A horizontal line passes through the first and second quadrants and passes through the point (0 comma 3).

Explanation

A proportional relationship has the form y = kx, so its graph is a straight line that passes through the origin (0, 0). Choice B describes a straight line passing through the origin. Choice A is vertical, choice C is curved, and choice D is horizontal above the origin.

AI-written and checked against the verified answer.

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