URI Math Placement Exam Questions & Answers 100% Correct!!
6 views 0 purchase
Course
URI Math Placement
Institution
URI Math Placement
Absolute value - ANSWERHow far away a number is from zero
-whatever the answer is, but positive
Absolute value brackets in equation - ANSWER-take out brackets
-turn into two equations; one positive answer, one negative
-solve for x for both equations
-two answers
Adding fractions - ANSWE...
URI Math Placement Exam Questions &
Answers 100% Correct!!
Absolute value - ANSWERHow far away a number is from zero
-whatever the answer is, but positive
Absolute value brackets in equation - ANSWER-take out brackets
-turn into two equations; one positive answer, one negative
-solve for x for both equations
-two answers
Adding fractions - ANSWER-find least common denominator
-multiply each numerator by however much it's denominator was multiplied
-add new numerators, keep denominator
-SIMPLIFY
Subtracting fractions - ANSWER-find least common denominator
-multiply each numerator by however much it's denominator was multiplied
-subtract new numerators, keep denominator
-SIMPLIFY
Quadratic formula - ANSWERx= -b + or - radical (b squared - 4ac) all over 2a
Multiplying fractions - ANSWERmultiply through
(numerator x numerator) over (denominator over denominator)
SIMPLIFY
Dividing fractions - ANSWERKeep. Change. Flip
, -KEEP first fraction
-CHANGE division sign to multiplication sign
-FLIP second fraction
-multiply through
-SIMPLIFY
Factoring
-how and what signs to use - ANSWERSUM CENTER
-find two numbers that add to middle term and multiply to outside term
-if second sign in original equation is positive, then both signs in parentheses are same as first sign in
equation
-if second sign is negative, then both signs in parentheses are different
-final answers are opposite of signs in parentheses
Fraction to a power - ANSWERIf fraction in parentheses:
-the whole fraction times itself x many times
-multiply through
If no parentheses:
-only the number with the exponent is effected
Exponent properties - ANSWER-negative exponent = one over original number to the original power
(except positive power)
-fractional exponent = denominator root of original number
-numerator remains as exponent to original number
-anything to power of 0 = 1
-anything to power of 1 = itself
-multiplying equivalent variables with exponents:
-add exponents
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller papersbyjol. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.99. You're not tied to anything after your purchase.
