8th Grade Data
A number that doesn't fit with the rest of the data...
What is an outlier?
Solve: -3(x + 5) = 2x - 5
y = mx + b
What is the slope-intercept form of a linear equation?
How do you find the mean of a set of data?
What is add all the numbers and then divide by how many numbers you have?
The distance from zero on a number line.
What is absolute value?
A plot of data taken and shown as a collection of points
What is a scatter plot?
Variable
a symbol that represents a number that we don't know yet
How do you find the area of a triangle?
What is A=1/2 bh?
If a line is parallel to another, it has _____ slope
...the same slope.
The line drawn through a scatterplot in order to show a trend in the data
What is a trend line equation?
A fixed value; one that does not change
If the area of a square is 64 inches, what is the length of one side?
What is 8?
Whole numbers and their opposites.
What are integers?
What are the points that are grouped together called?
What are clusters?
Solve: 3x+2=x+6
x=2
Equation for slope
What is m = (y2 - y1)/(x2 - x1)
What is the slope of the equation 3y +2x =6
What is m=0
What is a numbers favorite food?
PI!
Give a real world example of when there would be a positive correlation
Many possible answers
Solve: 3(x+2)+5=4x+2(5)
x=1
Is it a positive or negative slope?
What is -1/2; negative.
Find the slope of the line passing through the following points: (-4, 0) and (-3, -2).
What is -2.
The only number in the English language that is spelled with same number of letters as the number itself...
What is 4 (four)?