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Grade 8 HMH Go Math - Answer Keys
Chapter 1: Real Numbers; Mixed Review
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Selected Response
Question 1
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The square root of a number is 9. What is the other square root?
Question 2
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A square acre of land is 4,840 square yards. Between which two integers is the length of one side?
Question 3
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Which of the following is an integer but not a whole number?
Question 5
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Which set of numbers best describes the displayed weights on a digital scale that shows each weight to the nearest half pound?
Question 7
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Which number is between \(\sqrt{21}\) and \(\large\frac{3\pi}{2}\) ?
Mini-Task
Question 10
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The volume of a cube is given by \(\text{V} = \text{x}^3\), where x is the length of an edge of the cube. The area of a square is given by \(\text{A} = \text{x}^2\), where x is the length of a side of the square. A given cube has a volume of 1728 cubic inches.
a. Find the length of an edge.
Question 10
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d. What is the surface area in square feet?