Math Flashcards
Coefficient (3xy)
The number (3)
Dividend ( 6/ 2)
The number you’re dividing another number into (6)
Any number to the power of 1
Itself
Any number to the power of 0
1
Any fraction btwn 0-1 thats raised to a power greater than 1
Becomes smaller
Negative exponent
Turn base into fraction
Fractional exponent
Square root form
Order of operations
Parenthesis Exponents Multiply Divide Add Subtract
Prime numbers
Have distinct factors, 1 and itself
Percent change
Percent=difference/original
Distance =
Rate x time
Group questions
Group 1 + group 2 + neither - both = total
Average =
Total (the sum of all numbers) / number of things youre averaging
Acute angle
Smaller than 90 degrees
Right angle
Equal to 90 degrees
Obtuse angle
Greater than 90 degrees
How many degrees is a line
180 degrees
Sum of measurement of all three angles in a triangle
180 degrees
Largest angle in a triangle is…
Always the opposite the longest side
Sum of the lengths of any two sides of a triangle is…
Always greater than the length of the third
Pythagorean theorem
Used to determine the length of the sides of a right triangle (a2+b2=c2)
Hypotenuse
Longest side of the triangle
Perimeter of a triangle
Sum of the lengths of its sides (a+b+c)
Area of a triangle
A= 1/2bh
B- base
H- height
Quadrilateral
Any four sided figure
Area of a rectangle
A=lw
Perimeter of a square
4s
Area of a square
S squared
Arc
Any segment of the outside, or circumference of the circle
Circumference
C=2 pi r
Area of a circle
A=pi r squared
Quadrants
Goes counter clockwise
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
Slope of a line
M = y1-y2/x1-x2
Factorial
Multiply the number by every positive integer less than the number (x!)
Combinations
C= n! / r!(n-r)!
N- total number of things in the group
R- number of things you’re selecting
Permutation
Order does matter
P= n! / (n-r)!
Bell curve proportions
34% - 14% - 2%