MATH 110 EXAM QUESTIONS AND ANSWERS LATEST UPDATE

MATH 110 EXAM QUESTIONS AND
ANSWERS LATEST UPDATE
Real #s - ANSWERSIrrational, rational, and whole #s

Find the distance between 2 pts. on # line - ANSWERSTake the absolute value of the
difference between the 2 pts.
d(P,Q) = | b - a |

Which values must be excluded from the domain of the variable in the expression? -
ANSWERSSubstitute the variables into the problem - the denominator cannot equal 0.

Negative exponents - ANSWERSa⁻ⁿ = 1/aⁿ

Law of Exponents - ANSWERS(a×)ⁿ = a×·ⁿ
(a · b)ⁿ = aⁿ · bⁿ
(aⁿb*)^ = aⁿ^b*^
xⁿx* = xⁿ⁺*
xⁿyⁿ = (xy)ⁿ
xⁿ/x* = xⁿ⁻*
xⁿ/yⁿ = (x/y)ⁿ
x⁰ = 1
a⁰ = 1 if a ≠ 0

Right circular cylinder - ANSWERSV = πr²h
S.A. = 2πr² +2πrh

Triangle - ANSWERSA = 1/2bh

Divide fractions - ANSWERSa/b ÷ c/d = a/b · d/c

Monomial - ANSWERSaxⁿ OR axⁿy*
To find the degree of a monomial with two exponents add them together.
Cannot have negative exponents or exponents that are fractions.
When multiplying exponents, you add them.
Cannot distribute exponents when adding or subtracting
Ex → (5x-7)²

Square roots - ANSWERS√a² = |a|

Tip: Rewrite expressions without negs or neg exponents - ANSWERS...

Circle - ANSWERSA = πr²