Interpreting Linear Graphs

What does the slope represent in this situation?

• The sloth runs 1 feet in 3 minutes
• The sloth runs 3 feet in 1 minute
• The sloth runs fast
• The sloth runs 6 feet in 1 minute

Which situation below is representative of y-intercept?

• Saving $300 per month

• Starting your day with $30 in your wallet

• Spending $3 per ride at the fair

• Paying $2 for parking every day

Sandra has a $20 iTunes gift card and spends $3 each month.

How much money would Sandra have left on her gift card after 6 months?

Type answer as a number only.

Mathematical Equivalence

ON

Which of the following points is a y-intercept?

• (-9,0)

• (-2,3)

• (4,-2)

• (0,5)

Dorothy loves to make cakes. The following table shows how the number of eggs that she has left changes as she makes cakes.

Interpret the y- intercept in context. Write an ordered pair.

*Use Desmos if needed. Press the + at the top then table. Enter your data into the table.

The equation y=10x represents the amount of allowance, y, in dollars, that Jacob receives for doing x hours of chores. Which statement interprets the slope of this equation?

• Jacob does chores for $0 per hour.
• Jacob does chores for $10 per hour.
• Jacob receives $0 of allowance money before doing any chores.
• Jacob receives $10 of allowance money before doing any chores.

Interpret the point (12, 100)

• Trish ran for 12 seconds.

• Trish ran 100 meters.

• In 12 seconds, Trish ran 100 meters.

• In 100 seconds, Trish ran 12 meters.

The graph shows the height (cm) of a candle as it burns, what is the y intercept and what does the y-intercept mean?

• b=9, Candle starts at 9 cm.

• b=9, the candle burns 9 inches per hour.

• b=2, the candle burns 2 inches per hour.

• b = 5, The candle ends at 5 cm

Derek works at Subway making $9.25 an hour.  The function y=9.25x tells us how much money Derek makes after x hours of working. 

What is the meaning of (4, 37)?

• After 4 hours of work, Derek makes $37.

• Derek needs $4 more to have $37 total.

• After working for 4 days, Derek makes $37 total.

• After 4 hours of work, Derek now makes $37 an hour instead of $9.25.

You and your friends plan to attend the county fair this weekend.  Admission to the fair is $5 and the cost per ride is $0.50.  How many rides can you go on if you have $20?

• 20 rides
• 30 rides
• 40 rides
• 50 rides