Assessment and Learning in Knowledge Spaces (ALEKS) 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

What condition indicates a line with a slope of zero?

It varies in y but remains constant in x

A line with a slope of zero indicates that there is no change in the y-value as the x-value changes. This is characteristic of a horizontal line. When a line varies in y but remains constant in x, it means that for any given value of x, the y-value stays the same, which is the definition of a horizontal line. In other words, if you were to plot this relationship on a graph, you would see that moving along the x-axis (changing x) does not affect the position on the y-axis—resulting in a flat line across the graph.

The other options describe different types of relationships or line orientations that do not represent a slope of zero. For instance, a vertical line has an undefined slope due to the x-value remaining constant while y varies, whereas the choice indicating no change in either direction depicts a point rather than a line and does not adequately represent a line with a slope of zero.

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It varies in x but remains constant in y

It is a vertical line

It does not change in either direction

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