Interpreting Linear Graphs

• A

• B

• C

• D

The average number of students per classroom at Central High School from 2000 to 2010 can be modeled by the equation y = 0.56x + 27.2, where x represents the number of years since 2000, and y represents the average number of students per classroom. Which of the following best describes the meaning of the number 0.56 in the equation?

• The total number of students at the school in 2000.

• The average number of students per classroom in 2000.

• The estimated increase in the average number students per classroom per each year

• The estimated difference between the average number of students per classroom in 2010 and in 2000.

• 3

• 15

• 18

• 33

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

Tags

CCSS.8.EE.B.5

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

Tags

CCSS.8.EE.B.5

Which situation below is representative of y-intercept?

• putting $300 a month into savings
• buying $30 worth of supplies for a lemonade stand
• Spending $3 per ride at the fair
• Paying $2 for parking every day

Tags

CCSS.HSF-IF.C.7A

What is the meaning of the y-intercept?

• The weight in the bucket increases by 1 pound per pound of sand.
• Before sand is put in the bucket, it weighs 1 pound.
• The starting weight of the sand is 1 pound.
• The weight in the bucket decreases by 1 pound per pound of sand.

Tags

CCSS.HSF.LE.B.5

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.

Tags

CCSS.HSF.LE.B.5

The graph shows the candle's height (cm) as it burns (minutes).  What does the slope MEAN?

• The candle burns 1 cm every minute.
• The candle burns 2 cm every 2 minutes.
• The candle burns 2 cm every minute.
• The candle burns 1 cm every 2 minutes.

Tags

CCSS.HSF.IF.B.4

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

• Candle starts at 9 cm.
• Candle start at 4.5 cm
• Candle starts at 0 cm.
• The candle ends at 5 cm

Tags

CCSS.HSF.LE.B.5