Back to Basics
If 372 + 928 = 1,300, what does 928 + 372 equal?
1,300
What does each letter of PEMDAS stand for?
Parentheses
Exponents
Multiplication
Division
Addition
Subtraction
What are the 3 measures of central tendency?
Mean, median, mode
What does a linear function look like when graphed?
A line!
If 73 - 24 = 49, what does 24 - 73 equal?
- 49
What order must you do multiplication and division in OR addition and subtraction?
LEFT TO RIGHT!
Sort numbers least to greatest and cross off on either side to find middle number
Why is a scatterplot called a scatter plot?
Because the points are scattered on the graph and not connected
works for: addition and multiplication
doesn't work for: subtraction and division
6 + 1 * (9 - 4) + 6....... what is the first step?
PARENTHESES 9-4 = 5
How do you find the average?
Add up all the numbers and divide by number of numbers.
What is the formula for linear function?
y=mx+b
Use the distributive property for the following expression:
20 ( 3 + 2x)
60 + 40x
6 + 1 * (9 - 4) + 6
17
Find MMM of the following data set:
2 5 7 2 6 8 10
Mean:5.7
Median: 6
Mode: 2
what does each letter of y=mx+b represent?
y: input
m: slope
x:input
b: output