Aleks Final Review Script Updated Actual Questions And Correct Answers

ALEKS FINAL REVIEW SCRIPT UPDATED
ACTUAL QUESTIONS AND CORRECT ANSWERS

● (-) + (-)= ...
(-) 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)


● inequality problem rule (<, >, etc like problems). 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. Answer: A= pi x r^2
C= 2 x pi x r


● area and perimeter of a triangle. Answer: A= (1/2)bh (unit squared)
P= side+side+ side