Compare Proportional Relationships Practice

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Question
Use the image to answer the question.

An illustration shows Quadrant 1 of a coordinate plane. The x-axis is labeled Games and ranges from 0 to 7 in 1 unit increments. The y-axis is labeled points and ranges from 0 to 250 in increments of 50. The graph is titled Points per Game. A line connects four points plotted on the graph. The coordinates of the plotted points are left parenthesis 0 comma 0 right parenthesis, left parenthesis 3 comma 90 right parenthesis, left parenthesis 5 comma 150 right parenthesis, and left parenthesis 7 comma 210 right parenthesis.

The average basketball points per game for Player 1 are displayed in the graph. Player 2’s average points per game are represented by the equation y=35x
. Which player had the highest average points per game? Enter 1 for Player 1. Enter 2 for Player 2.

(1 point)
Player
had the highest average points per game.

1 answer

To determine which player had the highest average points per game, we can first look at the points per game for Player 1 based on the provided data points:

  • At 0 games, Player 1 scores 0 points.
  • At 3 games, Player 1 scores 90 points. The average here is 90 / 3 = 30 points per game.
  • At 5 games, Player 1 scores 150 points. The average here is 150 / 5 = 30 points per game.
  • At 7 games, Player 1 scores 210 points. The average here is 210 / 7 = 30 points per game.

Player 1’s average points per game is consistently 30.

For Player 2, the equation given is \( y = 35x \). This means that for every game played (x), Player 2 scores 35 points on average.

  • For any number of games, Player 2's average points per game will always be 35 points.

Comparing the two averages:

  • Player 1: 30 points per game
  • Player 2: 35 points per game

Since 35 is greater than 30, Player 2 has the highest average points per game.

Thus, the answer is:

Player 2 had the highest average points per game.