Constant Rate of Change and Classifying Solutions

A mechanic performs oil changes on automobiles. The table shows linear relationships between the number of oil changes completed after different amounts of times. Choose the correct answer from each drop-down box to complete the sentence. The mechanic completes ​ ​ (a)   oil changes per hour, which represents the ​ (b)   ​ of the linear function

• 3

• rate of change

• 4.5

• y-intercept

Find the constant rate of change.

• 3

• -3

• 20

• Not a constant slope/Non-Linear

Find the Constant Rate Of Change (CRC) for (3,7) and (11,23)

• 4

• 3

• 2

• 1

The rate of change is

Mathematical Equivalence

ON

What is the rate of change?

Mathematical Equivalence

ON

• 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

At what rate did the rain fall?

• 2 cm per hour

• ¹/₄ cm per hour

• ¹/₂ cm per hour

• 4 cm per hour

Jimmy was going on vacation. His parents drove the first day and went 390 miles in 6 hours. The next day they drove for 8 hours and went 520 miles. What is the equation that represents his constant rate of speed?

• y=65x

• y=60x

• y=40x

• y=25x

Write an equation for this situation.

• y=9.75x

• y=19x

• y=19.25x

• y=9.5x

What is the relationship in this table between the number of tickets(x) to the total cost(y)?

• Multiply by 2

• Multiply by 54

• Multiply by 27

• Multiply by 1