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ALEKS Basic Math Placement Test Review exam with 100% correct answers 2025
how to find domain with a given equation correct answers-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 answers(-) 
(+) 
(+) 
 
quotient correct answersdivision 
 
adding and subtracting fractions correct answers-make denoms the same 
-add/subtract numerators 
 
multiplying fractions correct answersjust multiply numerators across and denoms across and simplify 
 ...