URI MATH PLACEMENT EXAM WITH COMPLETE SOLUTIONS 100% 2023/2024
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Course
MATH PLACEMENT
Institution
MATH PLACEMENT
URI MATH PLACEMENT EXAM WITH COMPLETE SOLUTIONS 100% 2023/2024
Absolute value
How far away a number is from zero
-whatever the answer is, but positive
Absolute value brackets in equation
-take out brackets
-turn into two equations; one positive answer, one negative
-solve for x for both ...
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URI MATH PLACEMENT EXAM WITH COMPLETE
SOLUTIONS 100% 2023/2024
Absolute value
How far away a number is from zero
-whatever the answer is, but positive
Absolute value brackets in equation
-take out brackets
-turn into two equations; one positive answer, one negative
-solve for x for both equations
-two answers
Adding fractions
-find least common denominator
-multiply each numerator by however much it's denominator was multiplied
-add new numerators, keep denominator
-SIMPLIFY
Subtracting fractions
-find least common denominator
-multiply each numerator by however much it's denominator was multiplied
-subtract new numerators, keep denominator
-SIMPLIFY
Quadratic formula
x= -b + or - radical (b squared - 4ac) all over 2a
Multiplying fractions
multiply through
(numerator x numerator) over (denominator over denominator)
SIMPLIFY
Dividing fractions
Keep. Change. Flip
-KEEP first fraction
-CHANGE division sign to multiplication sign
-FLIP second fraction
-multiply through
-SIMPLIFY
Fraction to a power
If fraction in parentheses:
-the whole fraction times itself x many times
-multiply through
If no parentheses:
-only the number with the exponent is effected
Factoring
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