I.F.4 Math 1 Check-in #1 Review

A ball is thrown into the air. The graph below shows the height of the ball, in feet, with respect to time, in seconds. Which of the following statements is NOT true?

• The ball is in the air for 8 seconds.

• The ball is at the same height at 3 seconds and at 5 seconds.

• The ball reaches a maximum height of 40 feet.

• The ball takes the same amount of time to go up as it takes to come down.

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CCSS.MATH.CONTENT.HSF.IF.B.4

• John has $3 saved and saves $5 more each week. How much money will he have saved after x

  weeks?

• John has $5 saved and saves $3 more each week. How much money will he have saved after x

  weeks?

• John has $5 saved and spends $3 each week. How much money will he have left after x weeks?

• John has $3 saved and spends $5 a week. How much money will he have left after x weeks?

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CCSS.MATH.CONTENT.HSF.IF.B.4

TRUE OR FALSE

The y-intercept of the line is 50.

• TRUE

• FALSE

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TRUE OR FALSE

The y-intercept represents the flat

retainer fee.

• TRUE

• FALSE

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CCSS.MATH.CONTENT.HSF.IF.B.4

The slope of the line is 400

• True

• False

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The slope represents the cost of work per hour.

• True

• False

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As a cup of coffee sits on the counter, the temperature of the coffee cools to room temperature. Which of the following graphs BEST represents the relationship between how long the coffee has been sitting and the temperature of the coffee?

• 
• 
• 
• 

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CCSS.MATH.CONTENT.HSF.IF.B.4

It takes Stacey 6 minutes to run 1 mile. At this same rate, which graph correctly

represents how long it takes her to run y number of miles?

• 
• 
• 
• 

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CCSS.MATH.CONTENT.HSF.IF.B.4

The soccer team sold a total of 20 sandwiches at the game on Saturday. The selling price of a cheese sandwich was $2, and the selling price of a tuna sandwich was $4. The sandwich sales totaled $64. The graph below represents this information.

Based on the graph, which statement BEST describes the y-intercept of Line m?

• (0,20) If no cheese sandwiches were sold, then 20 tuna sandwiches were sold.

• (20,0) If no tuna sandwiches were sold, then 20 cheese sandwiches were sold.

• (0,16) If no cheese sandwiches were sold, then 16 tuna sandwiches were sold for $64.

• (32,0) If no tuna sandwiches were sold, then 32 cheese sandwiches were sold for $64.

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The graph below shows how the population of a type of small animal varies based on the number of available resources in its habitat.

As the number of available resources increases, which is closest to the limit for the

population of the small animals?

• 200 animals

• 400 animals

• 3000 animals

• 4000 animals

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CCSS.MATH.CONTENT.HSF.IF.B.4