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
5
-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
8
What is the symbol for a rational numbers
Q
9
Fractions is decimals do not repeat or terminate
Irrational
10
All numbers except imaginary numbers
Real numbers
11
Numbers containing an ℹ️
Imaginary
12
ℹ️equals the _________ and ℹ️squared equals ___
square root of negative one; -1
13
Number is divisible by one and itself
Prime numbers
14
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
16
In what rule did you multiply the powers (exponents)
Power rule
17
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
19
With a zero exponent, anything raised to the zero power is
One
20
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
21
To add and subtract fractions what do you do
Find common denominator and add the numerator
22
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)
25
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
27
In scientific notation, "a" must be between……
One and nine
28
If the exponent is positive, move the decimal to…
The right
29
