ALEKS Basic Math Placement Test Review UPDATED ACTUAL Exam Questions and CORRECT Answers

ALEKS Basic Math Placement Test Review
UPDATED ACTUAL 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