SAT Math Multiple Choice Question 709: Answer and Explanation

Home > SAT Test > SAT Math Multiple Choice Practice Tests

Test Information

Question: 709

4. Which of the following scatterplots provides the strongest evidence in support of the hypothesis that y varies inversely as the square of x?

  • A.

    Images

  • B.

    Images

  • C.

    Images

  • D.

    Images

Correct Answer: A

Explanation:

A

Data Analysis (graphing data) MEDIUM-HARD

If y varies inversely as the square of x, then the variables are related by the equation Images, where k is a positive constant. The graph of such an equation in the xy-plane looks like this:

Images

This most closely resembles the scatterplot in choice (A).

Previous       Next