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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

Is the exponent is negative, move the decimal to…

The left

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