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Midyear Review Mid-year exam will be Thursday!

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Step 1: Please view this in “slide show view” This is will help you review for the exam in Springboard on Thursday, take it seriously! This is to be done on your own…no talking! On a scrap piece of paper record your answers HINT: You may want to also record the problems so you can go back and review them

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QUESTION 1-8NS

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Question 2-8NS Which of the following BEST describes the number √35. A. It is an irrational number because it equals a never ending, never repeating decimal. B. It is an irrational number because it equals a nonterminating, repeating decimal. C. It is a rational number because it can be written as a fraction. D. It is a rational number because it equals an integer.

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Question 3-8EE n

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Question 4-8EE The square root of 63 is between which two consecutive integers ? Show your work. A.2 and 3 B.No solution C.7 and 8 D.10 and 11

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Question 5-8EE What is the cube root of 512? ³√512 A.4 B. 8 C.256 D.170.6 (repeating)

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Question 6-8EE Express 4.3 * 10¯ ⁸ in STANDARD FORM. A..000000043 B.430000000 C.-.00000043 D.-4300000

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Question 7-8EE Express 1 billion in scientific notation. A.1 *10 ⁻⁶ B.1 * 10 ⁹ C.1000000000 D..00000000001

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Question 8-8EE How many solutions does the following equation have? 4x +8 = 3x - 1 + 10 + x A.One solution B.No solution C.Infinite solutions D.Two solutions

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Question 9-8EE Write.000000005 in scientific notation A.5 * 10 ⁹ B.5 * 10 ¯⁶ C.5 * 10 ⁻⁹ D.5 *10 ⁷

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Question 10

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Question 11 Which is equivalent to the following: 5 -3 A.(-5)(-5)(-5) B.5 * 5* 5 C.-3 * -3 * -3 D. 1 5*5*5

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Question 12 8EE7A 11. How many solutions does the equation 3x-7=2x- 1+x+7 have? A. 0 B. 1 C. 2 D. Infinitely Many.

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Question 13 The population of the United States is estimated to be 3 x 10 8 and the world’s population is estimated to be 7 x 10 9. How many times larger is the world’s population than the United States? A. About 23 times larger B. About 20 times larger C. About 2.5 times larger D. About 70 times larger

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Question 14 Find the product: (1.9 x 10 3 )(4.5 x 10 2 ) A. 8.55 x 10 1 B. 8.55 x 10 3 C. 8.55 x 10 5 D. 8.55 x 10 6

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Question 15 If there are 2 x 10 4 runners in the New York City marathon and they each run 26 miles, how many total miles were run, by all runners, during the marathon? A.5.2 x 10 5 B.5.2 x 10 4 C.52 x 10 4 D.0.52 x 10 6

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Question 16 Find the difference: (7.5 x 10 -6 ) – (1.5 x 10 -7 ) A.7.485 x 10 6 B.7.485 x 10 -5 C.7.35 x 10 -5 D.7.35 x 10 -6

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Step 2: Check you answers 1.D 2.A 3.A 4.C 5.B 6.A 7.B 8.B 9.C 10.B 11.D 12.A 13.A 14.C 15.A 16.D

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Step 3: Study the topics you missed For any questions you missed you will do two things: 1.) Review those questions in the powerpoint 2.) Go to Kahn Academy using the following link. Use the search tool to look up topics you missed (for example:”operations with scientific notation”. Watch the videos to help you review! Link: http://www.khanacademy.org/math/cc-eighth-grade- mathhttp://www.khanacademy.org/math/cc-eighth-grade- math

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EXAMPLE 2 Writing Equivalent Expressions

EXAMPLE 2 Writing Equivalent Expressions

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