ALEKS Basic Math Placement Test Review 2024/25

ALEKS Basic Math Placement Test Review 2024/25


how to find domain with a given equation - 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 (-)= ... - ANSWER (-)
(+)
(+)




quotient - ANSWER division




adding and subtracting fractions - ANSWER -make denoms the same
-add/subtract numerators

, multiplying fractions - ANSWER just multiply numerators across and denoms
across and simplify




dividing fraction - ANSWER multiply by reciprocal (change second fraction to
reciprocal)




multiplying/dividing/adding mixed fractions - ANSWER turn them into
regular fractions (multiplying # by denom, adding it to num, keeping denom the same) and
continue




subtracting mixed fractions - 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) - 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)