Honors *8th Midterm Study Guide

1. How is the decimal below expressed as a fraction?

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2. How can the following expression be simplified as a single base raised to a positive exponent?

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3. Alaina is reading at a rate of 1 page every 4 minutes. Which graph below shows the same unit rate?

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4. Sam is solving the equation shown. Which value of x will make the equation true?

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5. Which set of ordered pairs represents y as a function of x?

• A. {(3, 4), (3, 6), (2, 8), (2, 10)}
• B. {(1, 9), (3, 9), (1, 8), (7, 8)}
• C. {(-1, 7), (2, 6), (-3, 9), (2, 8)}
• D. {(0, 0), (3, 9), (5, 25), (7, -9)}

6. Write the equation of the line that passes through the points (0, 8) and (3,12).

• A. y = 3/4x + 8
• B. y = 1/3x + 8
• C. y = 1/2x + 8
• D. y = 4/3x + 8

7) A square room in Amber’s home has an area of 128 square feet. Which is the best estimate of one side length of the room?

• A. 32 feet, because 128 ÷ 4 = 32.
• B. 64 feet, because the square root of 128 = 64.
• C. 11.3 feet, because the square root of 128 is between 11 and 12.
• D. 10.9 feet, because the square root of 128 is between 10 and 11.

9. Which is a true statement about the two triangles ?

• A. The slope of triangle ABC is the same as triangle CDE.
• B. The slope of triangle CDE is greater than triangle ABC.
• C. The slope of triangle ABC is greater than triangle CDE.
• D. There is not enough information to compare the slopes of ramp A and B.

10. Find the solution to the system of equations by using substitution.

• A. (10, 5)
• B. (-1, -6)
• C. (0, -5)
• D. (2, -3)

11. Which equation has a rate of change that is greater than the rate of change shown in the table?

• A) y = 3x - 8
• B) y = -3x + 6
• C) y = 1/2x +10
• D) y = 2.5x - 2