Worksheets2023 Scatter Plots, Graphs and Equations of a Line
Total questions: 12
Worksheet time: 27mins
Name
Class
Date
1.
What is a line of best fit used for?
a)
To make predictions
b)
To make the graph look pretty
c)
To connect the points
d)
To make it look like you know what you are doing
2.
Select the statement that best describes the line.
a)
The line is the line of best fit.
b)
The line is NOT a line of best fit because it does not pass through two points.
c)
The line is NOT a line of best fit because it does not go through the middle of the data set.
d)
The line is NOT a line of best fit because it does not go through the origin.
3.
Which of the following lines represents the line of best fit for the scatter plot?
a)
A
b)
B
c)
C
d)
D
4.
Find the equation of the line of best fit for the given data
a)
y = 163.41x+1.49
b)
y =- 163.41x+ 4.19
c)
y =- 4.19x+163.41
d)
y = 4.19x -163.41
5.
Slope is know as
rise/______
a)
run
b)
fall
c)
none
d)
rise
6.
Find the slope of the line below using rise/run.
a)
32
b)
23
c)
3
d)
31
7.
Find the slope. Simplify, if you can.
a)
52
b)
25
c)
2 21
d)
2
8.
Which of these represents slope-intercept form?
a)
y - y1 = m(x-x1)
b)
Ax + By = C
c)
y = mx + b
9.
In the equation y=mx+b, what does the m represent?
a)
slope
b)
y-intercept
c)
linear
d)
point-slope
10.
What does 'b" represent in y=mx+b
a)
y-intercept
b)
macaroni
c)
nothing
d)
slope
11.
What is the y-intercept of the line with the equation
y = −2x + 4
a)
−2
b)
2
c)
4
d)
−4
12.
Write a linear equation in slope intercept form of a line with a slope of 12 and y intercept of 10
a)
y=12x-10
b)
y=10x+12
c)
y=12x+10
d)
x=10x-12
100 %
