Definitions Flashcards

(45 cards)

0
Q

Whole Numbers

A

0, 1, 2, 3..

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1
Q

Natural Numbers

A

1, 2, 3..

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2
Q

Integers

A

-3, -2, -1, 0, 1, 2, 3..

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3
Q

Rational Numbers

A

All of the numbers that can be written as a fraction with the denominator not equal to zero.
-3, 0, 5, -2/3, 2.35, 2, 9/16..

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4
Q

Irrational numbers

A

All the numbers that cannot be written as a fraction, a terminating decimal, or a repeating decimal.
1.62789, pi..

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5
Q

Real numbers

A

The rational numbers and irrational numbers combined.

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6
Q

Exponential Notation

A

An exponent (or power) is a number that indicates how many times another number, called the base, is used as a factor.

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7
Q

The product of negative numbers

A

The product of an even number of negative numbers is positive. The product of an odd number of negative numbers is odd.

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8
Q

Order of operations

A

BEDMAS

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9
Q

Prime number

A

A number that is only divisible by one, and itself.

2, 3, 5, 7, 11, 13, 17, 19..

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10
Q

Slope intercept form

A

Y=mx + b

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11
Q

Variable

A

A letter who’s value is an unknown real number.

a, b, c..

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12
Q

Term

A

A number or product of a number and variables raised to a power.
5, 2x, -3xy..

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13
Q

Coefficient

A

The coefficient of a term is the factor.

5x=5

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14
Q

Monomial

A

An expression of the type ax11 where a, is a real number constant and x, is nonnegative integer.

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15
Q

Polynomial

A

A monomial, or a combination of sums and/or differences of monomials.
3x, 2x-1..

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16
Q

Degree of a term

A

The sum of the exponents of its variables

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17
Q

Leading term

A

The term of the highest degree.

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18
Q

Scalene

A

A triangle with no sides of the same length

19
Q

Isosceles

A

Triangle with two sides of the same length and two equal angles

20
Q

Equilateral

A

All three sides equal and all three angles equal

21
Q

Circumference

A

The perimeter of a circle

22
Q

Arc

A

A part of a circle connecting two points on the circle

23
Q

Radius

A

A segment connecting the center of a circle with the point on the circle

24
Diameter
A segment connecting two points on the circle and containing the center of the circle
25
Chord
Segment whose endpoints are on a given Circle
26
Secant
A line that intersects the circle in two points
27
Tangent
A line that intersects the circle in exactly 1 point
28
Central angle
An angle with its a vertex at the center of the circle
29
Inscribed angle
An angle whose vertex is on the circle and who sides each intersect the circle at a point other than the vertex
30
Right Angle
90
31
Reflex angle
Between 180 and 360
32
Acute
Less than 90
33
Obtuse
Greater than 90, less then 180
34
Congruent
Equal measurement
35
Vertically opposite
The same but opposite
36
Straight angle
Angle is 180
37
Angles at a point
Add up to 360
38
Angles on a line
Add up to 180
39
Supplementary
2 angles that add up to 180
40
Complementary
Angles that add up to 90
41
Adjacent angles
2 angles that have a common side and vertex
42
Parallel lines
Lines that never meet and that "match"
43
Corresponding
"F"
44
Alternate interior
"Z"