URI Math Placement Exam with Approved Answers |Latest 2024/2025
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Course
URI Math Placement
Institution
URI Math Placement
URI Math Placement Exam with Approved Answers.
Negative exponent One over original number to the original power (except positive power)
finding equation of line given two points -find slope
-using y=mx+b: plug in slope, and x and y from either ordered pair
-solve for b
solve for x ...
Negative exponent One over original number to the original power (except
positive power)
finding equation of line given two points -find slope
-using y=mx+b: plug in slope, and x and y from either ordered pair
-solve for b
solve for x in fractions -get x fraction alone
-clean up other side
-if x is in denominator, flip both sides of equation
-multiply both sides by denominator of x
Fractional exponent -take denominator root of original number
-numerator remains as exponent to original number
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
-how and what signs to use 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 -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
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