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ALEKS Basic Math Placement Test Review Questions & Answers(RATED A+)
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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 - ANSWERdivision how to solve problems...

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  • October 2, 2024
  • 8
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • aleks basic math placement test review questions
  • aleks basic math placement stuvia 2024
  • how to find domain with a given equation answer
  • how to solve problems like 5 2 13 answer1 ma

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ALEKS Basic Math Placement Test Review
Questions & Answers(RATED A+)


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 - ANSWERdivision



how to solve problems like 5-2 (1/3) - ANSWER1) 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)



adding and subtracting fractions - ANSWER-make denoms the same

-add/subtract numerators



multiplying fractions - ANSWERjust multiply numerators across and denoms across and simplify



dividing fraction - ANSWERmultiply by reciprocal (change second fraction to reciprocal)

, multiplying/dividing/adding mixed fractions - ANSWERturn 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)



inequality problem rule (<, >, etc like problems) - ANSWERWhen *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 - ANSWERA= pi x r^2

C= 2 x pi x r



area and perimeter of a triangle - ANSWERA= (1/2)bh (unit squared)

P= side+side+ side



Volume and surface area of a rectangular prism - ANSWERV=lwh (unit to the 3rd power)

SA= 2(wl + hl+ hw)



distance formula - ANSWERd= rate x time



percent to fraction - ANSWERpercent as numerator and 100 as denominator, then simplify



fraction to percent - ANSWER1) do long division with denom as outside and numerator as inside

2) move decimal over 2 places to make it into a %

*do not forget decimal*

ORRRR

make denom 100 (multiply num and denom of original fraction by whatever to get it to 100)



how to find percent of change - ANSWER1) change/ original amount

2) make fraction into a decimal

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