PDOL 1.7

Which graph represents y as a function of x?

A system of equatiions is graphed on the grid.

Which system of equations is best represented by the graph?

The value of y is directly proportional to the value of x.

Wnen x = 512, y = 128. What is the value of y when x = 64?

Mathematical Equivalence

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A university will spend at most $4,500 to buy monitors and keyboards for a computer lab. Each monitor will cost $250, and each keyboard will cost $50.

Which inequality represents all possible combinations of x, the number of monitors, and y, the number of keyboards , the university can buy for the computer lab?

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Which equation best represents the line shown on the grid?

The graph of a line is shown on a grid. The coordinates of both points indicated on the graph of the line are integers.

What is the rate of change of y with respect to x for this line?