IS 584: 8th grade WINTER RECESS PACKET

Which graph represents a function that is increasing?

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8.F.5

What is the solution to the equation shown below? 2.5(x + 5) = 7.5x - 0.5

• x = 2.6

• x = 1.1

• x = -2.6

• x = -1.1

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8.EE.7b

Which equation represents the line shown on the coordinate plane?

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8.EE.6

Two intersecting lines, l and t, are shown in the diagram below. If y = 115, what is the value of x?

• A. 40

• B. 50

• C. 65

• D. 115

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7.G.5

Triangle P undergoes a sequence of transformations resulting in triangle Q. Which sequence of transformations could be used to show that triangle Q is similar but not congruent to triangle P?

• a reflection followed by a translation

• a rotation followed by a reflection

• a reflection followed by a rotation

• a translation followed by a dilation

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8.G.4

Alex opened a savings account with an initial deposit of $50. Each month, he deposits the same amount of money. He uses the equation, t = 50 + 25m, to determine t, the total amount of

money in his savings account in m months.What is the unit rate and what is the meaning of the unit rate?

• 25; the amount of money Alex deposits each month

• 50; the amount of money Alex deposits each month

• 25; the amount of money Alex initially deposited

• 50; the amount of money Alex initially deposited

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8.F.4

What is the solution to the equation shown below? -1/3(6y + 6) + 21 = 3y

• y = 19/5

• y = 27/5

• y = -9/5

• y = -23/5

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8.EE.7b

The graph of a function is shown on the coordinate plane below. Between which two values of x is the function nonlinear and increasing?

• -5 and -3

• -3 and 1

• 1 and 4

• 4 and 6

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8.F.5

A line is graphed on the coordinate plane shown below. What is the equation of the line?

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8.EE.6

There are two mechanics who work on cars. For each mechanic, the relationship between x, the number of hours worked, and y, the total cost, in dollars, is described below. The equation y = 36x represents the total cost charged by Mechanic A for the number of hours worked. The graph shown below represents the total cost charged by Mechanic B for the number of hours worked.

Based on the information, which statement is true?

• A. Mechanic A charges $8.00 more per hour than Mechanic B.

• B. Mechanic B charges $8.00 more per hour than Mechanic A.

• C. Mechanic A charges $52.00 more per hour than Mechanic B.

• D. Mechanic B charges $52.00 more per hour than Mechanic A.

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8.EE.5