fall Flashcards
to add or subtract polynomials you combine
like terms
when you multiply polynomials be sure to
Distribute all terms
When you substitute a number on the calculator you must put
Parentheses around the number
Probability equals the number of
Favorable outcomes
divided by the number of
Total outcomes
For multiple event probabilities you will find the probability of each even and
multiply them
Probability questions typically
Add
and probability questions typically
Multiply
Permutation is an ordered arrangement of outcomes and can be represented using
!
How many digits are in 0-9
10
How many letters are in the alphabet
26
To calculate the mean/average you find the
Sum and divide
If given the mean and total amount of numbers you
Multiply
The median is the what when listed in numerical order
middle
Mode is the most what in a number list
Most common
Area of a rectangle
A=lw
area of a square
A=s squared
Area of a triangle
A=1/2•b•h
Area of a trapezoid
1/2(b1+b2)h
Area of a parallelogram
bh
Volume of a rectangular solid
V=lwh
Volume of a cube
V=s cubed
Area of a circle
pie•r squared
Circumference of a circle
2pieR
Volume of a cylinder
pie•r squared•h
Midpoint formula
X= x1+x2. Y=y1+y2
————
2
___________
2
Slope
Y2-y1
———
X2-x1
Distance formula
square root of (X2-X1) squared + (Y2-Y1) squared
Pythagorean theorem
A squared +b squared= c squared
Sine opposite hypotenuse
O/H
Cosine adjacent
A/H
Cosine adjacent
A/H
Tangent
O/A
