Math Flashcards

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

A

180 degrees

18
Q

Sum of measurement of all three angles in a triangle

A

180 degrees

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
Q

Quadrilateral

A

Any four sided figure

26
Q

Area of a rectangle

A

A=lw

27
Q

Perimeter of a square

A

4s

28
Q

Area of a square

A

S squared

29
Q

Arc

A

Any segment of the outside, or circumference of the circle

30
Q

Circumference

A

C=2 pi r

31
Q

Area of a circle

A

A=pi r squared

32
Q

Quadrants

A

Goes counter clockwise

33
Q

Slope intercept

A
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
Q

Slope of a line

A

M = y1-y2/x1-x2

35
Q

Factorial

A

Multiply the number by every positive integer less than the number (x!)

36
Q

Combinations

A

C= n! / r!(n-r)!
N- total number of things in the group
R- number of things you’re selecting

37
Q

Permutation

A

Order does matter

P= n! / (n-r)!

38
Q

Bell curve proportions

A

34% - 14% - 2%