Factoring Polynomials
The Zero Product Property
(x-5) (x-1)=0
What do I do to get the answer and what is the answer
Set both () to equal 0
solve for both letters.
x=5
x=1
What is the outlier?
14, 15, 14, 18, 543
543, the number that is way different from other numbers
What is Sample Space
All possible outcomes
Answer a question regarding stem leaf plot using white board
.....
x^2+7x+12
Factor using the steps
(x+3) (x+4)
Check yourself by doing the box method or foil
What is the mode?
5, 4, 4, 4, 4, 3, 2, 1, 2, 4, 4,
4
Remember Mode and Most have 4 letters, and both begin with Mo
What is the likelihood I will see a dinosaur tomorrow
Impossible
Each section of box and whisker plot is what percent or fraction of the data regardless of size?
Example on white board
25% or 1/4
What is the Mean?
1+4+4
Add them and divide them.
9/3=3
A bag has 3 red, 2 blue, 4 green and 1 purple marble. What is the probability of pulling a red?
3/10
Where do you find minimum value on box and whisker plot?
First dot on number line
Find the median
3,4, 5, 7, 8, 9
Cross out left then right...
WIll have 2 numbers left..
Add and divide by 2
7
How do we write fractions from a shape?
Top number is the shaded number
Bottom number is all the designs in the shape