ALEKS Basic Math Placement Test Review UPDATED Exam Questions and CORRECT Answers
Course
ALEKS Basic Math Placement
Institution
ALEKS Basic Math Placement
ALEKS Basic Math Placement Test Review
UPDATED Exam Questions and
CORRECT Answers
how to find 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*
(-) + (-)= ...
(-) x (-)= ...
(-) d...
ALEKS Basic Math Placement Test Review
UPDATED Exam Questions and
CORRECT Answers
how to find 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*
(-) + (-)= ...
(-) x (-)= ...
(-) divided by a (-)= ... - Correct Answer- (-)
(+)
(+)
quotient - Correct Answer- division
adding and subtracting fractions - Correct Answer- -make denoms the same
-add/subtract numerators
multiplying fractions - Correct Answer- just multiply numerators across and denoms across
and simplify
dividing fraction - Correct Answer- multiply by reciprocal (change second fraction to
reciprocal)
multiplying/dividing/adding mixed fractions - Correct Answer- turn them into regular
fractions (multiplying # by denom, adding it to num, keeping denom the same) and continue
subtracting mixed fractions - Correct Answer- *first: make denoms the same*
set up as if you're subtracting two large numbers (on top and on bottom)
, how to 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 ed up with:
2 (2/3)
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.
area and circumference of circle - Correct Answer- A= pi x r^2
C= 2 x pi x r
area and perimeter of a triangle - Correct Answer- A= (1/2)bh (unit squared)
P= side+side+ side
Volume and surface area of a rectangular prism - Correct Answer- V=lwh (unit to the 3rd
power)
SA= 2(wl + hl+ hw)
distance formula - Correct Answer- d= rate x time
percent to fraction - Correct Answer- percent as numerator and 100 as denominator, then
simplify
fraction to percent - Correct Answer- 1) do long division with denom as outside and
numerator as inside
2) move decimal over 2 places to make it into a %
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