SAT Math Multiple Choice Question 301: Answer and Explanation

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Test Information

Question: 301

1.

The graph above shows the amount that a new, high-tech video arcade charges its customers. What could the y-intercept of this graph represent?

  • A. The cost of playing 5 games
  • B. The cost per game, which is $5
  • C. The entrance fee to enter the arcade
  • D. The number of games that are played

Correct Answer: C

Explanation:

C

Difficulty: Easy

Category: Heart of Algebra / Linear Equations

Strategic Advice: To determine what the y-intercept could mean in the context of a word problem, examine the labels on the graph and note what each axis represents.

Getting to the Answer: According to the labels, the y-axis represents cost, and the x-axis represents the number of games played. The y-intercept, (0, 5), has an x-value of 0, which means 0 games were played, yet there is still a cost of $5. The cost must represent a flat fee that is charged before any games are played, such as an entrance fee to enter the arcade.

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