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Math 9 Semester 1

Across
You find this by subtracting the y values and then dividing by the difference in the x values
A way of telling if a relationship is a function by looking at the graph only
When you reflect over this line, you leave the x-value of each coordinate alone. You use the opposite of the y-coordinate.
When you move a polygon left or right and/or up and down a certain number of units.
Tells the you strength of an association
Another name for x2-x1
A way of writing really big numbers of really small numbers (TK 8)
The direction of a rotation when you turn it "right"
A data point that doesn't fit the trend on a scatterplot (it's too far from line of best fit)
When you flip or invert an image or polygon
Down
Another name for y2-y1
F(x) = mx+b
The type of correlation where both variables are increasing
The relationship between the slopes of two perpendicular lines
The name of one of the sides that forms the right angle on a right triangle
The type of theorem that lets you find a missing side to a right triangle
A line that shows the trend of a scatterplot- it best show the relationship
All of the y-values that can come out of a function
All of the x-values on a graph or in a table
The name of the longest side of a right triangle
Where a graph crosses the y-axis