scatter plots
Linear Relationships
Systems of Equations
slope
100
what are the four types of scatter plots?
positive, negative, no relationship, non linear
100
What is the equation for a line?
y=mx+b
100
x + y= -3
y=x + 3
(-3,0)
100
what is the slope?
y = 2x+10
2
200
What relationship does this scatter plot have?
As the x-value increases, the y-value decreases
Negative
200
True or false: a horizontal line has an undefined slope
False
200
y=2x
y=x +1
(1,2)
200
6/5
300
What relationship does this scatter plot have?
As the x-value increases, the y-value increases
Positive
300
In the equation y=mx+b, what is b and what is m?
b is your y-intercept and m is your slope
300
y=1/4x
x +4y=8
(4, 1)
300
0
400
What is it called when one point is far away from others?
Outlier
400
is y=-5x-1 linear?
Yes
400
y= -2x
x=0
(0, 0)
400
which number is slope?
y-3=-8(x+4)
-8
500
What is it called when multiple points are very close to each other?
Cluster
500
What is the slope of a vertical line?
Undefined
500
y=3x
y - 4= 3x
no solution
500
(2,3) and (9,7)
4/5