12.5 Review for test

Write an equation for this situation.

• y=9.75x
• y=19x
• y=19.25x
• y=9.5x

Write the equation for the table given

• y = 1/3x
• y = 3x
• y = 1/2x

Which statement matches the graph?

• Taylor can write 6 words per minute
• Taylor can write 25 words per minute
• Taylor can write 50 words per minute
• Taylor can write 150 words per minute

• y = 60x
• y = 40x
• y = 80x
• y = 20x

Which company shows a greater rate of change?

• Water's Edge Rafts

• Ryan's Rafts

Which rate of change represents the following graph?

• 5 figurines on 1 shelf
• 0.5 figurines on 1 shelf
• 10 figurines on 1 shelf
• 40 figurines on 1 shelf

What is the constant rate of change between the quantities in the table?

• 4 calories per minute

• 15 calories per minute

• 40 calories per minute

• 60 calories per minute

What is the constant rate of change between the quantities in the table?

• -20 gal per minute

• -2 gal per minue

• 2 gal per minute

• 20 gal per minute

What is the constant rate of change?

• Not here.

• $80 per month.

• $82 per month.

• $41 per month.

Which of the following equations represents the total cost, C, for the number of sandwiches, S, where each sandwich costs $7?

• S = 7c
• C = 7s
• S = 7/c
• C = s/7