Spiral Review #4

Based on the scatterplot, which is the best prediction of the total number of pages in a book with 5 chapters?

• 150 pages

• 140 pages

• 90 pages

• 120 pages

Based on the scatterplot, which is the best prediction of the number of points scored by a person spending 35 minutes on the video game?

• 950 points

• 895 points

• 750 points

• 920 points

Which set of ordered pairs represents y as a function of x?

• {(5, −5), (5, 5), (6, −6), (6, 6)}

• {(4, 11), (5, 13), (6, 15), (7, 17)}

• {(–3, 2), (–3, 4), (5, 9), (5, 12)}

• {(9, 5), (9, −5),

  (11, 7), (11, −7)}

Does the given representation show y as a function of x?

• Yes

• No

Does the given representation show y as a function of x?

• Yes

• No

Does the given representation show y as a function of x?

• Yes

• No

Does the given representation show y as a function of x?

• Yes

• No

Does the table represent a direct variation?

• Yes

• No

Does the graph represent a direct variation?

• Yes

• No

What is the equation for the given graph?