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Chapter 2 Review Algebra I
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Use Order of Operations to Solve -2 – (7- 3) ÷ 4 -2 – (4) ÷ 4 -2 – 1 = -3
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Simplify each expression (5x 3) – 4x + 7 = 15x – 4x + 7 = 11x + 7
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Evaluate each expression a = 1, b=7, and c = -2 3a + ab – c = 3(1) + 1(7) - -2 = 3 + 7 + 2 = 12
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Use replacement set to solve
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Determine whether each pair of ratios forms a proportion.
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Solve for x. -5 = x + 9 X = -14
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Solve for x. x + (-4.2) = 8.6 X = 12.8
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Solve for x. x + (-5) = -2 X = 3
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Solve for x. X – (-⅝) = ¾ X = ⅛
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-4a – 1 = -1 -4a = 0 a= 0
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-2t + 4 = 10 – t -t = 6 t = -6
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11 = ½ b – (-3) 8 = ½ b 16 = b b = 16
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-2( t -2) = 10 – t -2t + 4 = 10 – t -t = 6 t = -6
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Solve the ratio
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Solve abstractly 7x – c = b Solve for x. 7x = b + c x = b + c 7
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Write and solve the equation that corresponds to the statement. The sum of y and negative 3 is five. Y + (-3) = 5 Y = 8
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During one week, Damon made deposits in his checking account of $532.40 and $450.98. He wrote a check for $837.75. By how much did his account increase or decrease during the week? $532.40 + 450.98 - $837.75 = $145.63 increase
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The sum of two consecutive integers is 125. Find the integers. x + x + 1 = 125 2x + 1 = 125 2x = 124 X = 62 The integers are 62 and 63.
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Find the principal when the interest is $300 at 5% rate over 5 years. I = prt 300 = p (5%) (5) 300 =.25 p 1200 = p P = $1200
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At the Central Perk coffee shop, Destiny sold 30 more cups of espresso than Cappuccino, for a total of $163.50 worth of the drinks together. How many cups of each were sold. 2(x + 30) + 2.5x = 163.50 2x + 60 + 2.5x = 163.50 4.5x = 103.50 X = 23 cappuccino and 53 espresso CoffeeNumberCost per cupValue espressoX + 30$2.002(x + 30) cappuccinox$2.502.5 x total163.50
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