Linear lines
it's all Scattered!
Coordinate calamity!
slippery Slopes!
(Blank)
100
What is the name of where the line crosses the y-axis?
Y-intercept!
100
What is it called when a point is far away from all the other ones?
An Outlier!
100
What is the point (0,0) called?
The Origin!
100
What is the slope of a horizontal line?
0!
200
What is the name of the point where the line crosses the x-axis?
X-intercept!
200
Do scatter plots have points that all go in one straight line?
No! those points are Scattered!
200
Which quadrant would you find (-3,10) in?
Quadrant two!
200
What is the slope-intercept form for a linear equation?
y=mx+b!
300
If a line has a negative slope, what direction is it headed?
Down, from left to right!
300
What do you call a tight group of points?
A Cluster!
300
Which quadrant would you find (4,-3) in?
Quadrant four!
300
In the equation y=mx+b, what does "b" represent?
The Y-Intercept!
400
Is this line linear, or non-linear?
Linear!
400
Does the line of best fit have to hit all of the points in a scatter plot?
No! It only needs to hit the points in it's path, which, in some cases, is none.
400
Which two quadrants are these two points found in?
(-345, 6), (678, -83)
Quadrants two and four!
400
DOUBLE JEOPARDY
What is the slope of the line represented by the equation y =23(45)-87?
23!
500
Is this line linear, or non-linear?
Non-Linear!
500
What type of relationship is indicated when a scatter plot shows data points clustered around a line that slopes downwards from left to right?
Negative Correlation!
500
DOUBLE JEOPARDY
If you translated the point (5,-19) thirteen units up, and eight units left, what would the new coordinate pair be?
(-3,-6)!
500
What is the slope of a line that goes straight up?
Undefined!
500
What is the slope of this line?
3/4!