Math 7 Ext SOL Mini Quiz 4 Graphing & Analyzing Functions

The graph to the right represents average sales for different temperatures. According to the graph what would be a good prediction of sales for a day when the temperature was 55°F?

• A. 30

• B. 20

• C. 10

• D. 1

Which statement best describes the relationship in the pictured scatterplot?

• Positive relationship because as the car weight increases the miles per gallon decreases.

• Negative relationship because as the car weight increases the miles per gallon decreases.

• Positive relationship because as the car weight increases the miles per gallon increases.

• Negative relationship because as the car weight increases the miles per gallon increases.

Kyle modeled a problem. His illustration is pictured. Kyle translated the problem into an algebraic expression: 3m + 7 + (−m) + 3. Which answer choice shows an equivalent expression?

• 10m − 2

• 12m

• 4m + 10

• 2m + 10

Choose each expression that is equivalent to the following: 3x + 16

Answer: ? and ?

The following graph shows a relation. What is the range of the relation?

• {-3, -2, 1, 2, 4}

• {-3, -2, 0, 1, 4}

• {-3, -2, 1, 4}

• {-3, -1, 0, 2, 2}

Which of the following sets of ordered pairs would NOT represent a function?

• A {(3, 8), (-3, 9), (3, 15)}

• B {(2, 2), (3, 3), (4, 4)}

• C {(2, -9), (4, 9), (-1, 9)}

• D {(-8, 7), (0, 4), (3, 2)}

What is the slope and y-intercept shown in the following graph?

• A slope: 2; y-intercept: 1

• D slope: -2; y-intercept: -2

Determine the item that would be represented by the independent variable in this situation. Candice picked strawberries to make jam. Each jar of jam requires 25 strawberries. If she wants to make 50 jars of jam, how many strawberries must Candice pick?

• Candice

• Strawberries

• Jars

• Jam

Use the table shown. Which of the following equations best represents the relationship in the table?

• A. y = -4x + 2

• B. y = -5x + 2

• C. y = -5x + 6

• D. y = -4x - 4

Use the graph shown. Select the table of values that best represents the graph.

• A

• B

• C

• D