Aleks Math placement exam with answers

Aleks Math placement exam with answers |\ |\ |\ |\ |\




Simplify x/x^6 - CORRECT ANSWERS ✔✔1/x^5 |\ |\ |\ |\ |\




Interger - CORRECT ANSWERS ✔✔Positive or negative
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number. (NOT FRACTION/DECIMAL) |\ |\




To find percentage - CORRECT ANSWERS ✔✔divide 100 by
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the number done 65/39
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𝑎/𝑏+𝑐/𝑑= - CORRECT ANSWERS ✔✔𝑎𝑑 + 𝑏𝑐/𝑏𝑑 |\ |\ |\ |\ |\ |\




a/b-c/d= - CORRECT ANSWERS ✔✔ad-bc/bd |\ |\ |\ |\




Dividing factions - CORRECT ANSWERS ✔✔Keep the first
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the same, Change to multiplication, flip the second
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Adding mixed numbers - CORRECT ANSWERS ✔✔Find the
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LCD and add the whole numbers to get your final answer.
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Example: 2 1/2 + 3 1/4 = ? |\ |\ |\ |\ |\ |\ |\




2 1/2 + 3 1/4 = (2+3) then 2/4 + 1/4 = 5 3/4
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, 3 4/7− 2 3/4= - CORRECT ANSWERS ✔✔3
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4/7=(3×7+4)/7=25/7 and 2 3/4=(2×4+3)/4=11/4 |\ |\ |\




Then: 25/7-11/4=(25)(4)−(11)(7)/7 × 4=23/28
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0.65 × 0.24 = - CORRECT ANSWERS ✔✔1,560 then
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0.1560


Intergers - CORRECT ANSWERS ✔✔Integers include zero,
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counting numbers, and the negative of the counting
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numbers. {... ,- 3, - 2, - 1, 0, 1, 2, 3, ...} |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\




(−2)— (−8) = - CORRECT ANSWERS ✔✔(−2) + 8 = 6
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4 + (5 − 10) = - CORRECT ANSWERS ✔✔4 + (−5) =-1
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Percent problems - CORRECT ANSWERS ✔✔❖ Base = Part
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÷ Percent
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❖ Part or "of"= Percent × Base
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❖ Percent = Part ÷ Base
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Area of a circle - CORRECT ANSWERS ✔✔A=πr² = ft^2
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