Unit 2B Test Review (for District Common Assessment)

Mrs. Caldwell recently emptied her purse and found a stash of quarters and nickles. After counting them all out, she remembers that she has 16 nickles and that the total was $5.80.

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Write an equation to help her find the number of quarters:

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Solve the equation to find the number of quarters.

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At the movies with your friend, you stop by the consession stand. You decide to share a bag of popcorn, which costs $7, and you want to get two seperate drinks, which cost d dollars each. Write an equation that represents the total amount, T, that you two spent?

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This year at the state fair, it costs $10 to enter and $1 per ticket at carnival booths. Create a graph to model this situation, where y is the total cost of your trip to the fair.

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Which coordinate(s) is/are a solution(s) of 2x+6y=6?

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Which time and elevation combination is not correct?

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What is the y-value when x=20?

Consider three points on a plane,
A = (5,2), B = (−1, 8) and C = (7,0).

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Find the equation of the line through A and B:

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Using the equation above, C lies on the same line as A and B...

Given the equation:

3x-4y=12

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What is the x-intercept?

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What is the y-intercept?

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Sketch the graph:

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Is the graph increasing or decreasing?

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Over what values of x is the graph negative?
(Hint: write an interval)

Russell is looking at two functions. The first function is represented by the equation:
The second function, g(x), is represented in the graph below.

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Which function has the largest y-intercept?

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Which function has the largest slope?

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Which function has the largest value whe x=5?

The table below represents the number of guppies, y, in a fishtank after x months.

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What is the slope of the data?

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What is the y-intercept of the data?

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Write an equation for the data:

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The function f(x) = 0.75x + 9 represents the cost, in dollars, of a burger with x toppings. What does the 0.75 represent?

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Which situation is best modeled by a linear function?

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Which function represents a pattern that changes by a constant amount from term to term?

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Write an equation to help her find the number of quarters:

Solve the equation to find the number of quarters.

At the movies with your friend, you stop by the consession stand. You decide to share a bag of popcorn, which costs $7, and you want to get two seperate drinks, which cost d dollars each. Write an equation that represents the total amount, T, that you two spent?

This year at the state fair, it costs $10 to enter and $1 per ticket at carnival booths. Create a graph to model this situation, where y is the total cost of your trip to the fair.

Which coordinate(s) is/are a solution(s) of 2x+6y=6?

Which time and elevation combination is not correct?

What is the y-value when x=20?

Find the equation of the line through A and B:

Using the equation above, C lies on the same line as A and B...

What is the x-intercept?

What is the y-intercept?

Sketch the graph:

Is the graph increasing or decreasing?

Over what values of x is the graph negative?(Hint: write an interval)

Which function has the largest y-intercept?

Which function has the largest slope?

Which function has the largest value whe x=5?

What is the slope of the data?

What is the y-intercept of the data?

Write an equation for the data:

The function f(x) = 0.75x + 9 represents the cost, in dollars, of a burger with x toppings. What does the 0.75 represent?

Which situation is best modeled by a linear function?

Which function represents a pattern that changes by a constant amount from term to term?

Over what values of x is the graph negative?
(Hint: write an interval)