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ALEKS MATH PLACEMENT TEST
REVIEW (LATEST UPDATE)
QUESTIONS AND VERIFIED
ANSWERS | 100% CORRE CT |
GRADE A
Question 1: How do you find the domain with a given
equation?
CORRECT ANSWER: -if a fraction, set denom. to zero,
then solve -in equation, plug in 0 for x usually can be a + or - solution
Question 2: What is (-) + (-), (-) x (-), (-) divided by a (-)?
CORRECT ANSWER: (-) + (-)= (-) (-) x (-)= (+) (-)
divided by a (-)= (+)
Question 3: What is a quotient?
CORRECT ANSWER: division
Question 4: How do you add and subtract fractions?
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CORRECT ANSWER: -make denoms the same -
add/subtract numerators
Question 5: How do you multiply fractions?
CORRECT ANSWER: just multiply numerators across
and denoms across and simplify
Question 6: How do you divide fractions?
CORRECT ANSWER: multiply by reciprocal (change
second fraction to reciprocal)
Question 7: How do you multiply, divide, or add mixed
fractions?
CORRECT ANSWER: turn them into regular fractions
(multiplying # by denom, adding it to num, keeping denom the same) and continue
Question 8: How do you subtract mixed fractions?
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CORRECT ANSWER: first: make denoms the same set up as if you're subtracting two large numbers (on top and on bottom)
Question 9: How do you solve problems like 5-2 (1/3)?
CORRECT ANSWER: 1) make problem 5- (2 (1/3)) 2)
separate : 5- 2- (1/3) to get: 3- (1/3) 3) rewrite whole #: 2+1- (1/3) 4) rewrite as: 2 + (3/3) - (1/3) to end up with: 2 (2/3)
Question 10: What is the inequality problem rule (<, >,
etc like problems)?
CORRECT ANSWER: When multiplying/dividing each
side by a positive number, the inequality sign stays the same When multiplying/dividing each side by a negative number, we flip the inequality sign.
Question 11: What are the area and circumference of a
circle?
CORRECT ANSWER: A= pi x r^2 C= 2 x pi x r
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Question 12: What are the area and perimeter of a
triangle?
CORRECT ANSWER: A= (1/2)bh (unit squared) P=
side+side+ side
Question 13: What are the volume and surface area of a
rectangular prism?
CORRECT ANSWER: V=lwh (unit to the 3rd power)
SA= 2(wl + hl+ hw)
Question 14: What is the distance formula?
CORRECT ANSWER: d= rate x time
Question 15: How do you convert a percent to a fraction?
CORRECT ANSWER: percent as numerator and 100 as
denominator, then simplify
Question 16: How do you convert a fraction to a percent?
CORRECT ANSWER: 1) do long division with denom
as outside and numerator as inside 2) move decimal over