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URI Math Placement Exam with All Correct Answers

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URI Math Placement Exam with All Correct Answers Dividing fractions - Answer-Keep. Change. Flip -KEEP first fraction -CHANGE division sign to multiplication sign -FLIP second fraction -multiply through -SIMPLIFY Fraction to a power - Answer-If fraction in parentheses: -the whole fra...

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  • September 2, 2024
  • 3
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • URI Math Placement
  • URI Math Placement

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URI Math Placement Exam with All
Correct Answers
Dividing fractions - Answer-Keep. Change. Flip
-KEEP first fraction
-CHANGE division sign to multiplication sign
-FLIP second fraction
-multiply through
-SIMPLIFY

Fraction to a power - Answer-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
-how and what signs to use - Answer-SUM 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

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

-dividing equivalent variables with exponents:
-subtract exponents

Negative exponent - Answer-One over original number to the original power (except
positive power)

Fractional exponent - Answer--take denominator root of original number

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