Ontario Mathematics Proficiency Practice Test

Question: 1 / 400

What is defined as a slope that decreases as it moves from left to right on a graph?

Positive slope

Zero slope

Negative slope

A slope that decreases as it moves from left to right on a graph is defined as a negative slope. This means that as the x-values increase, the y-values decrease, illustrating a downward trend. Visually, this appears as a line that angles downwards from the left side of the graph to the right. Negative slopes are often associated with relationships where one variable inversely affects another, meaning that as one increases, the other tends to decrease.

The other choices each describe different types of slopes: a positive slope increases from left to right, a zero slope indicates a horizontal line where there is no change in y as x increases, and an undefined slope corresponds to a vertical line where x remains constant regardless of y. Understanding these definitions is crucial in interpreting graphs correctly.

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Undefined slope

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