Apr. 20 Rockin' Review 7.4

Select the section of the graph that represents where you can find the rate of change between 2014 and 2015.

Answer explanation

The horizontal (left-to right) axis, which is called the x-axis, is labeled with the years the dog show occurred.

We are looking for the time between 2014 and 2015, which is the second section.

Tags

7.4

According to the graph, what was the rate of change between 2014 and 2015?

​ ​ (a)   kilograms per year

• 8
• 18
• 10
• -8
• 6
• -6
• -10
• -12
• 12
• -18

Answer explanation

Tags

7.4.A

What is the rate of change?

​ (a)   books per month

• 2
• 1
• 10
• 20
• 0.5
• -2
• -1
• -10
• -20
• -0.5

Answer explanation

Tags

7.4.A

What does the point (6,4) represent?

Answer explanation

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7.4.A

Select the graphs that show a proportional relationship between x and y.

Answer explanation

Tags

7.4.A

Write an equation for the relationship between x and y. Simplify any fractions.

(a)  

Answer explanation

Tags

7.4.A

Write an equation for the relationship between x and y. Simplify any fractions.

Tags

7.4.A

How large a roast can Wesley cook in 4 hours using his recipe?

Write your answer as a whole number or decimal.

Mathematical Equivalence

ON

Answer explanation

Tags

7.4.A

Find the unit rate.

Mathematical Equivalence

ON

Answer explanation

Tags

7.4.B

At what rate is her tea cooling down?

Simplify your answer and write it as a proper fraction, mixed number, or whole number.

​ (a)   degrees per second

• 1/20
• 1/10
• 1/2
• 2
• 20
• 10
• 5

Answer explanation

Tags

7.4.B