Flashcards in math midterm 2015 Deck (75)
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0
Numbers are divided into eight categories. List them
Natural, whole, integer, rational, irrational, real, imaginary, and prime
1
1,2,3,4,...,infinity
Natural
2
Symbol for Natural numbers
N
3
0, 1, 2, 3,…, Infinity
Whole
4
What is the symbol for whole numbers
W
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-infinity,....., -2, -1, 0, 1, 2,.....Positive infinity
Integer
6
What is the symbol for integer
Z
7
Fractions whose decimals either terminate or repeat
Ex) .25 or .7777777778
Rational
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What is the symbol for a rational numbers
Q
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Fractions is decimals do not repeat or terminate
Irrational
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All numbers except imaginary numbers
Real numbers
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Numbers containing an ℹ️
Imaginary
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ℹ️equals the _________ and ℹ️squared equals ___
square root of negative one; -1
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Number is divisible by one and itself
Prime numbers
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In the product rule you blank like bases and blank exponents
Multiply; Add
15
In the quotient rule you blank like bases and blank exponents
Divide; Subtract
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In what rule did you multiply the powers (exponents)
Power rule
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When you have a negative exponent, what do you do to make it positive
Change floors
18
With a blank, the denominator goes to the hoopy-hoo and the numerator becomes the power
Rational exponents
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With a zero exponent, anything raised to the zero power is
One
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What is Valentine's Day and St. Patrick's Day
The square root of two equals 1.4
The square root of three equals 1.7
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To add and subtract fractions what do you do
Find common denominator and add the numerator
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To multiply fractions…
You multiply across the numerator and the denominator her and simplify your answer
23
How do you divide fractions
When dividing fractions don't ask why flip the second and multiply
24
What is the acronym for changing improper fractions to mix numbers
MA! (multiply up to the left, add up to the right)
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How do you change improper fractions to mixed numbers
Divide the numerator by the denominator, put the remainder over the denominator
26
What is the base form of scientific notation
a x 10^n
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In scientific notation, "a" must be between……
One and nine
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If the exponent is positive, move the decimal to…
The right
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