Unit 4 - Jeopardy - South Windsor Public Schools

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JEOPARDY!
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8TH GRADE Algebra 1
Unit 4
Linear Functions and Relations
Template by
Bill Arcuri, WCSD
JEOPARDY!
Graphing
y=mx+b
SlopeIntercept
PointSlope
Parallel and
Perpendicular
Scatter
Plots
Potpourri
100
100
100
100
100
100
200
200
200
200
200
200
300
300
300
300
300
300
400
400
400
400
400
400
500
500
500
500
500
500
Template by
Bill Arcuri, WCSD
Graphing y=mx+b
100 Points
Give the slope and y-intercept of
the line.
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Bill Arcuri, WCSD
Graphing y=mx+b
100 Points
Answer
Slope = ½
Y-intercept = -7 or (0,-7)
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Bill Arcuri, WCSD
Graphing y=mx+b
200 Points
Give the slope and y-intercept
of the line.
Template by
Bill Arcuri, WCSD
Graphing y=mx+b
200 Points
Answer
Slope =
3
−
5
Y-intercept = 1or (0,1)
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Graphing y=mx+b
300 Points
Graph the line of the equation:
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Graphing y=mx+b
300 Points
Answer
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Graphing y=mx+b
400 Points
Give the slope an y-intercept of
The line that has the equation…
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Bill Arcuri, WCSD
Graphing y=mx+b
400 Points
Answer
Slope = -2
Y-intercept = -5 or
(0,-5)
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Graphing y=mx+b
500 Points
Graph the line of the equation
Column 1 Column 2
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Graphing y=mx+b
500 Points
Answer
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Bill Arcuri, WCSD
Slope-Intercept
100 Points
Write an equation of a line that
Has a slope of ½ and passes
Through the origin.
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Slope-Intercept
100 Points
Answer
y=
1
2
x
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Slope-Intercept
200 Points
Write an equation for the line
3
That has a slope ๏€ญof2
And passes through the point
(0,5).
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Bill Arcuri, WCSD
Slope-Intercept
200 Points
Answer
3
๐‘ฆ =− ๐‘ฅ+5
2
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Slope-Intercept
300 Points
Does the graph of the line below
Slant upwards or downwards?
Explain.
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Slope-Intercept
300 Points
Answer
Downwards. When you put
The equation into slope-intercept
Form you can see that the slope is
5
3
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Slope-Intercept
400 Points
Write the equation for the line
That has a slope of 1/3 and
passes through the point (-2,8).
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Slope-Intercept
400 Points
Answer
1
2
๐‘ฆ = ๐‘ฅ+8
3
3
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Slope-Intercept
500 Points
Write the equation for the line
That passes through the points
(-6,1) and (5,4).
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Slope-Intercept
500 Points
Answer
3
7
๐‘ฆ=
๐‘ฅ+2
11
11
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Point-Slope
100 Points
Write the equation in point-slope
Form for the line that passes through
the point (3,0) and has a slope of
4
3
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Bill Arcuri, WCSD
Point-Slope
100 Points
Answer
4
๐‘ฆ = ๐‘ฅ−4
3
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Bill Arcuri, WCSD
Point-Slope
200 Points
Write the equation in point-slope
Form for the line that has a slope
of 2 and passes through the point
(1,-4).
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Bill Arcuri, WCSD
Point-Slope
200 Points
Answers
y = 2x - 6
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Point-Slope
300 Points
Write the following equation
In slope-intercept form:
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Point-Slope
300 Points
Answer
3
1
๐‘ฆ = ๐‘ฅ−1
4
4
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Point-Slope
400 Points
Name the slope and a point
On the line:
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Point-Slope
400 Points
Answer
Slope = ½
Point = (-2,6)
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Point-Slope
500 Points
Name the slope and a point
On the line:
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Point-Slope
500 Points
Answer
Slope =
5
−
2
Point = (7,-5)
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Parallel and
Perpendicular
100 Points
Determine if the lines below
Are Parallel, Perpendicular, or
Neither:
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Parallel and Perpendicular
100 Points
Answer
Neither.
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Parallel and
Perpendicular
Topic 4
200 Points
Determine if the lines below
Are Parallel, Perpendicular, or
Neither:
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Parallel and
Perpendicular
200 Points
Answer
Perpendicular
The slopes are opposite reciprocals.
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Parallel and
Perpendicular
300 Points
Determine if the lines below
Are Parallel, Perpendicular, or
Neither:
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Parallel and
Perpendicular
300 Points
Answer
Parallel.
1
They both have a slope of
4
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Parallel and
Perpendicular
400 Points
Write the equation for the line
In slope-intercept form, that is
parallel to 3y-6x=10
And passes through the point
(-3,1)
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Bill Arcuri, WCSD
Parallel and
Perpendicular
400 Points
Answer
y = 2x + 7
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Parallel and
Perpendicular
500 Points
Write the equation for the line
In slope intercept form that is
perpendicular to 4x+2y=8
And passes through the point
(3,5).
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Bill Arcuri, WCSD
Parallel and
Perpendicular
500 Points
Answer
1
1
๐‘ฆ = ๐‘ฅ+3
2
2
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Scatter Plots and Best Fit
Lines
100 Points
Is there a positive correlation, a
Negative correlation, or no correlation
for the scatter plot below.
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Bill Arcuri, WCSD
Scatter Plots and Best Fit
Lines
100 Points
Answer
Positive Correlation.
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Scatter Plots and Best Fit
Lines
200 Points
Is there a positive correlation, a
Negative correlation, or no correlation
for the scatter plot below.
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Bill Arcuri, WCSD
Scatter Plots and Best Fit
Lines
200 Points
Answer
Negative Correlation.
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Scatter Plots and Best Fit
Lines
300 Points
Week
1
2
3
4
5
6
Score
122
131
130
133
145
139
The table show’s Ming’s bowling scores each week she
Participated in a bowling league.
Write the equation for the line of best fit.
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Scatter Plots and Best Fit
Lines
300 Points
Answer
y = 3.7x + 120.3
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Scatter Plots and Best Fit
Lines
400 Points
Find the equation
for the line of best
fit:
Year
1996 1998 2000 2004 2006 2008
Students 22
per
computer
18
14
10
6.1
4.9
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Bill Arcuri, WCSD
Scatter Plots and Best Fit
Lines
400 Points
Answer
y = -1.4x + 21
OR
y = -1.4x + 2840
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Bill Arcuri, WCSD
Scatter Plots and Best Fit
Lines
500 Points
Find the equation for
the line of best fit:
Age
Percent
of
Budget
Spent on
Entertain
ment.
30
6.1
40
6.0
50
5.4
60
5.0
70
4.7
80
3.4
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Bill Arcuri, WCSD
Scatter Plots and Best Fit
Lines
500 Points
Answer
y = -0.05x + 7.9
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Bill Arcuri, WCSD
Potpourri
100 Points
Is the line x = -2 horizontal or vertical?
What is the slope?
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Potpourri
100 Points
Answer
The line x=-2 is vertical,
And the slope is undefined (no slope).
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Bill Arcuri, WCSD
Potpourri
200 Points
Write the following equation
In standard form.
3
5
๐‘ฆ= ๐‘ฅ+
4
8
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Bill Arcuri, WCSD
Potpourri
200 Points
Answer
-6x + 8y = 5
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Potpourri
300 Points
Daily Double!!!
Without Graphing, Do the points
(-1,-2), (0,1) and (1,4) lie on the
same line?
Explain your reasoning.
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Bill Arcuri, WCSD
Potpourri
300 Points
Answer
Daily Double!!!
Yes, they are on the same line.
If you look at the slopes between
Any two points, you get 3.
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Bill Arcuri, WCSD
Potpourri
400 Points
Daily Double!!!
Rewrite the equation
for the function in
Standard form:
y + 7 = -3 (x + 1)
2
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Potpourri
400 Points
Answer
Daily Double!!!
3x + 2y = -17
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Bill Arcuri, WCSD
Potpourri
500 Points
The points (4,r) and (r,2) lie on a
Line with a slope of -5/3.
What is the value of r?
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Bill Arcuri, WCSD
Potpourri
500 Points
Answer
๐‘Ÿ − 2 −5
=
4−๐‘Ÿ
3
Use cross products:
3(r-2) = -5(4-r)
r=7
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