Math Flashcards

(38 cards)

1
Q

Coefficient (3xy)

A

The number (3)

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2
Q

Dividend ( 6/ 2)

A

The number you’re dividing another number into (6)

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3
Q

Any number to the power of 1

A

Itself

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4
Q

Any number to the power of 0

A

1

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5
Q

Any fraction btwn 0-1 thats raised to a power greater than 1

A

Becomes smaller

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6
Q

Negative exponent

A

Turn base into fraction

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7
Q

Fractional exponent

A

Square root form

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8
Q

Order of operations

A
Parenthesis
Exponents
Multiply
Divide
Add 
Subtract
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9
Q

Prime numbers

A

Have distinct factors, 1 and itself

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10
Q

Percent change

A

Percent=difference/original

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11
Q

Distance =

A

Rate x time

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12
Q

Group questions

A

Group 1 + group 2 + neither - both = total

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13
Q

Average =

A

Total (the sum of all numbers) / number of things youre averaging

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14
Q

Acute angle

A

Smaller than 90 degrees

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15
Q

Right angle

A

Equal to 90 degrees

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16
Q

Obtuse angle

A

Greater than 90 degrees

17
Q

How many degrees is a line

18
Q

Sum of measurement of all three angles in a triangle

19
Q

Largest angle in a triangle is…

A

Always the opposite the longest side

20
Q

Sum of the lengths of any two sides of a triangle is…

A

Always greater than the length of the third

21
Q

Pythagorean theorem

A

Used to determine the length of the sides of a right triangle (a2+b2=c2)

22
Q

Hypotenuse

A

Longest side of the triangle

23
Q

Perimeter of a triangle

A

Sum of the lengths of its sides (a+b+c)

24
Q

Area of a triangle

A

A= 1/2bh
B- base
H- height

25
Quadrilateral
Any four sided figure
26
Area of a rectangle
A=lw
27
Perimeter of a square
4s
28
Area of a square
S squared
29
Arc
Any segment of the outside, or circumference of the circle
30
Circumference
C=2 pi r
31
Area of a circle
A=pi r squared
32
Quadrants
Goes counter clockwise
33
Slope intercept
``` Y=mx+b Y- y coordinate of a point X- x coordinate of the same point M - slope of the line b- y intercept or the y coordinate where the line crosses the y axis ```
34
Slope of a line
M = y1-y2/x1-x2
35
Factorial
Multiply the number by every positive integer less than the number (x!)
36
Combinations
C= n! / r!(n-r)! N- total number of things in the group R- number of things you're selecting
37
Permutation
Order does matter | P= n! / (n-r)!
38
Bell curve proportions
34% - 14% - 2%