ALEKS Basic Math Placement Exam |
Correctly Answered and Verified | 2024/2025
Updated Guide
How to find perimeter of semicircle and rectangle shape
- correct answer - 1) find circumference of circle
2) divide circumference in half (bc its a semi circle)
3) add up the 3 sides and the value you got for circumference
How to solve compound inequalities
- correct answer - separate the two and solve each separately
Ex: -7<3x-4<2=
-7<3x-4 and 3x-4<2 and solve those
How to solve problems like (-1/3)- (1/2)v= (3/7)
- correct answer - 1) find lcd of each denom (lcd for problem= 42)
2) do 42 times each fraction and simplify them
3) solve for v
How to solve problems like (p/p^-9) *negative exponent in denom*
- correct answer - (p/p^-9)= p^1-(-9)= p^10
How to solve problems like (7/2)^-2
- correct answer - 1) switch fraction to make exponent (+) ex:
(2/7)^2
2) solve and simplify if need be
How to multiply with decimals
- correct answer - ex: 9 x 0.6
Do (9 x 6) divided by 10 to get: 54 divided by 10 to get 5.4
Ratios to %
- correct answer - 1) make problem into fraction
2) do long division (with denom as outside #)
3) make decimal up top into %
How to graph parabola when given an equation * in standard
form*
- correct answer - *use y= ax² + bx + c*
1) find vertex using: x= -b/2a
2) graph vertex point
3) plug in value of vertex as x to get y coordinate
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