Math: scott Flashcards

1
Q

______ is any postive or negative whole number, including zero.

A

integer

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2
Q

______ numbers are any whole number greater than 1 that is NOT prime.

A

composite numbers

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3
Q

______ numbers include all integers, decimals, and fractions.

A

rational numbers

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4
Q

_______ numbers cannot be written as fractions or decimals because the number of decimal places is infinite.

A

irrational numbers

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5
Q

write each decimal in words:

  1. 06
  2. 6
  3. 0
A
  1. 06 = six hundredths
  2. 6 = six tenths
  3. 0 = six
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6
Q

write each decimal in words:

  1. 009
  2. 113
  3. 901
A
  1. 009 = nine thoughsandths
  2. 113 = one hundred thirteen thousandths
  3. 901 = nine hundred one thousandths
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7
Q

the top number of a fraction is called the ________

A

numerator

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8
Q

the bottom number of a fraction is called the ________.

A

denominator

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9
Q

fractions that have the same value, but are expressed differently are known as ________ fractions. (can be reduced to same fraction)

A

equivalent

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10
Q

a fraction whose denominator is greater than its numerator is known as a _________ fraction.

A

proper

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11
Q

a fraction whos numerator is greater than its denominator in known as an _______ fraction.

A

improper

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12
Q

orioer fractions have values ____ than one and improper fractions have values _____ than one.

A

less than

greater than

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13
Q

______ numbers contain an integer and a fraction.

A

mixed numbers

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14
Q

to express a percentage as a fraction, devide the percentage number by _____ abd reduce the fraction.

A

100

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15
Q

to convert a decimal to a percent, move the decimal point ____ places to the _____.

A

two to the right

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16
Q

to convert from a percent to a decimal, move ____ places to the ______.

A

two to the left

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17
Q

a numbers ______ value is the distance away from zero. (always written as |x|, always pos.)

A

absolute value

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18
Q

when you have a quantity and a rate, dividing the _______ by the ____ gives you the time.

A

quantity divided by rate = time

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19
Q

if you are graphing a greater than or less than inequality, the circle ramains _______.

20
Q

if you are graphing and the inequality is greater than or equal to or less than or euqal to, you draw a _____ circle around the value.

21
Q

the _____ range is determined by the age of the oldest minus the age of the youngest

22
Q

the _____ is the average of the data points.

23
Q

the _____ is the value in the middle of the data set

24
Q

the ____ is the value that appears most often in the data set.

25
the _____ of a distribution is the difference between the highest and lowest values in the distribution.
range
26
if a distribution has a single peak, it would be considered ______
unimodal
27
if a distribution has two discernible peaks, it would be considered ______
bimodal
28
the sum of the interior angles of any quadilateral is ______degrees
360
29
a quadrilateral that has exactly two pairs of opposite sides is call a ___________.
parallelogram
30
a _______ is traditionall a quadrilateral that has exactly one pair of parallel sides.
trapezoid
31
a _______ is a parallelogram with four right angles
rectangle
32
a _______ is a parallelogram with four congruent sides, the diagonals are perpendicular to each other.
rhombus
33
a _____ is a parallelogram with four right angles and four congruent sides
square
34
the center of circle is called _________
equidistant
35
the _____ is a line segment that joints the center of the circle and any one point on the circle.
radius
36
the ______ is a line segment that passes through the center of the cirlce and has both endpoints on the circle.
diameter
37
an _____ is a portion of a circle
arc
38
a ______ angle is an angle whose certex is the center of a circle and whos legs intercept an arc of the circle.
central anle
39
a _____ arc is an arc that has measures less than 180 degrees.
minor
40
a _____ arc is an arc having a measure of at least 180 degrees.
major
41
the measure of the major arc can be found by subtracting the measure of the _________ from 360 degrees.
central angle
42
a _____ is a line segment that has both endpoints on a circle
chord
43
a _____ is a line that passes through a circle and contains a chord of that circle.
secant
44
an ______ angle is an angle whose vertex lies on a circle and whose legs contain chords of that circle.
inscribed angle
45
a _____ is the portion of a circle formed by two radii and their intercepted arc.
sector