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Aleks Math placement Exam Questions and Answers
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Aleks Math placement Exam Questions and Answers
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Aleks Math placement Exam Questionsand Answers
Simplify x/x^6
1/x^5
Interger
Positive or negative number. (NOT FRACTION/DECIMAL)
To find percentage
divide 100 by the number done 65/39
𝑎/𝑏+𝑐/𝑑=
𝑎𝑑 + 𝑏𝑐/𝑏𝑑
a/b-c/d=
ad-bc/bd
Dividing factions
Keep the first the same, Change to multiplication, flip the second
Adding mixed numbers
Find the LCD and add the whole numbers to get your final answer.
Example: 2 1/2 + 3 1/4 = ?
2 1/2 + 3 1/4 = (2+3) then 2/4 + 1/4 = 5 3/4
3 4/7− 2 3/4=
3 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
0.65 × 0.24 =
1,560 then 0.1560
Intergers
Integers include zero, counting numbers, and the negative of the counting
numbers. {... ,- 3, - 2, - 1, 0, 1, 2, 3, ...}
(−2)— (−8) =
(−2) + 8 = 6
4 + (5 − 10) =
4 + (−5) =-1
Percent problems
❖ Base = Part ÷ Percent
❖ Part or "of"= Percent × Base
❖ Percent = Part ÷ Base
Area of a circle
A=πr² = ft^2
diameter of a circle
2r
Circumference of a circle
2πr or πd=ft
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