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Opening Screen
Chapter 2:Graphs & Equations
Question Board
Math JeopardyLinear
Equations
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Linear Models
Abs. Value/ Inequality
Graphs
DirectVariation
Function? (empty)
$100
Write a perpendicular line toy = ¼ x + 6
Category 1 – 10 Point Question
$100
y = - 4x ± Cy = - 4x ± C
Category 1 – 10 Point Answer
$100
$200
Write the equation of a line parallel to y = 3x + ½
going through point (3 , 2).
y = 3x - 7 y = 3x - 7
$200Category 1 – 20 Point Answer
Write in slope-intercept form of the equation of the line through points
(3,4) and (0,5)
Category 1 – 30 Point Question
$300
Find slope then use point slope: y- y₁ = m(x-x₁)
y = ⅓ x + 5
Find slope then use point slope: y- y₁ = m(x-x₁)
y = ⅓ x + 5
Category 1 – 30 Point Answer
$300
Given the point (2, 3), write an equation whose slope is zero
and another whose slope is undefined.
Category 1 – 40 Point Question
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x = 2; vertical liney = 3; horizontal line
x = 2; vertical liney = 3; horizontal line
Category 1 – 40 Point Answer
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Write the standard formula for a linear equation.
What do each of the lettersin the formula represent?
Category 1 – 50 Point Question
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Ax + By = C
A & B = coefficients and A is a positive integer
x & y = variablesC = constant
Ax + By = C
A & B = coefficients and A is a positive integer
x & y = variablesC = constant
Category 1 – 50 Point Answer
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When a linear regression linepasses through quadrants
III and I, is it increasing (positive) or decreasing (negative)?
Category 2 – 10 Point Question
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Increasing positivelyIncreasing positively
Category 2 – 10 Point Answer
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What is the equation of the line that best fits this data?
Category 2 – 20 Point Question
$200X Y
1985 5
1987 12
1989 19
1991 28
y = 3.8x + 4.6 y = 3.8x + 4.6
$200Category 2 – 20 Point Answer
Given the data below, what should the window of your calculator be?
Category 2 – 30 Point Question
$300
X Y
0 2
4 11
-3 -1
10 19
1 7
Window:Xmin: -3Xmax: 10Ymin: -1Ymax: 19
Window:Xmin: -3Xmax: 10Ymin: -1Ymax: 19
Category 2 – 30 Point Answer
$300
Susie Smart wants to know how longit will take to pay off her loan for her trip to Puerto Rico. What are the independent
and dependent variables? When willthe trip be paid off?
Category 2 – 40 Point Question
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Independent: timeDependent: cost $$
At the x-intercept it will be paid off.
Independent: timeDependent: cost $$
At the x-intercept it will be paid off.
Category 2 – 40 Point Answer
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Given the linear regression line: y = .5x - 4.25
predict the value of the independent variable when the dependent variable
is 11.75.
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Independent variable, x = 32 Independent variable, x = 32
Category 2 – 50 Point Answer
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Describe the graph of y= - |x| - 2
(include vertex)
Category 3 – 10 Point Question
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Upside down V-shaped with vertex on (0 , -2)
Shift down 2
Upside down V-shaped with vertex on (0 , -2)
Shift down 2
Category 3 – 10 Point Answer
$100
Category 3 – 20 Point Question
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Write the equation of the graph to the left.
y = |x - 4| + 2y = |x - 4| + 2
Category 3 – 20 Point Answer
$200
Draw the graph ofy > 3x – 6
(shade answer)
Category 3 – 30 Point Question
$300
Category 3 – 30 Point Answer
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Describe in words the graph ofy = - |x + 1| - 3
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V shape upside downShifted to the left by 1
Shifted down by 3Vertex (-1 , -3)
V shape upside downShifted to the left by 1
Shifted down by 3Vertex (-1 , -3)
Category 3 – 40 Point Answer
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Draw and shade the graphy ≤ |x + 3| - 1
Category 3 – 50 Point Question
$500
Category 3 – 50 Point Answer
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Is this a direct variation?y – 4x = 0
If so, write the equation.
Category 4 – 10 Point Question
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Yesy = 4xYes
y = 4x
Category 4 – 10 Point Answer
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Is this a direct variation? If so, write the equation and value of k.
Category 4 – 20 Point Question
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3
2
x
y
Yesy = ⅔ xk = ⅔
Yesy = ⅔ xk = ⅔
Category 4 – 20 Point Answer
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If y = 9 when x = 3, find x, when y = 12.
Category 4 – 30 Point Question
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x = 4x = 4
Category 4 – 30 Point Answer
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Write an equation for a direct variationwith a graph that passes through point
(-9, -27).
Category 4 – 40 Point Question
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y = 3xy = 3x
Category 4 – 40 Point Answer
$400
If y = -4 when x = ½, find ywhen x = ⅔.
$500
y = -5.3y = -5.3
Category 4 – 50 Point Answer
$500
Category 5 – 10 Point Question
$100
What is the definition of a function and draw an example graph of a function?
A function is a relation in which each element of the
domain is paired with exactly one element in
the range. (x-coordinate not repeating)
A function is a relation in which each element of the
domain is paired with exactly one element in
the range. (x-coordinate not repeating)
Category 5 – 10 Point Answer
$100
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Is x = 3 a function?
Category 5 – 20 Point Answer
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No, Vertical line
Category 5 – 30 Point Question
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Is 2x² + 4 a function? What is the domain and the range?
Category 5 – 30 Point Answer
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Yes, parabola
D: All Reals
R: y ≥ 4
Is - |x - 2| + 12 a function?
What is the domain and the range?
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Yes, upside down V-shapedD: All Reals
R: y ≤ 12
Yes, upside down V-shapedD: All Reals
R: y ≤ 12
Category 5 – 40 Point Answer
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Is x² + y² = 4a function?
Bonus:What is the domain and range?
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No, a circle
Bonus:D: -2 ≤ x ≤ 2R: -2 ≤ y ≤ 2
No, a circle
Bonus:D: -2 ≤ x ≤ 2R: -2 ≤ y ≤ 2
Category 5 – 50 Point Answer
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What team won the Duke vs. UNCMen’s basketball game last night?
Category 6 – 10 Point Question
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DukeDuke
Category 6 – 10 Point Answer
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Where did Ms. Jarvis go to collegefor her undergraduate degree?
Category 6 – 20 Point Question
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Meredith CollegeMeredith College
Category 6 – 20 Point Answer
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Who are the Democraticand Republican nominees
for President and Vice President?
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Barack Obama - DJoe Biden - VP
John McCain - RSarah Palin - VP
Barack Obama - DJoe Biden - VP
John McCain - RSarah Palin - VP
Category 6 – 30 Point Answer
$300
Name the October and November SAT test dates.
Category 6 – 40 Point Question$400
October 4th
November 1st October 4th
November 1st
Category 6 – 40 Point Answer
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Why does taking the square rootof y² = y. Work it out mathematically.
$500
Category 6 – 50 Point Answer
$500
yyyyy
y
12/22/122
2/1
)(
y
If f(x) = -x² - 1 and g(x) = 2x +5
Find a) f(4) and b) g(f(x))
Final Jeopardy Question
Final Jeopardy
a) f(4) = -17b) -2x² + 3
a) f(4) = -17b) -2x² + 3
Final Jeopardy Answer
Final Jeopardy
Final Jeopardy Help
Final Jeopardy
Nice Try.
sn0065A Slot machines
J0074879 Space Laser
J0074877 Space Laser 2
Do Not Delete!Contains objects for game.
J0097484 Large Explosion
Sound and other objects
J0074988 Space Door
Testing Area
Help for Teachers – Keep as last slide
Help for TeachersTo create a new set of categories and problems:
• Update topics on title screen (slide 2)
• Rename category headers on question board (slide 3)
• Change category help slides (immediately following question board)
• Modify questions and answers (answers immediately follow each question slide)
• Cut and Paste Daily Doubles
Tips:
• Questions and answers are MathType objects. It is easier if you keep it that way. Even for text problems.
• To put copy of question on the answer slide, copy and paste the MathType object from the question slide then resize.
• The EXIT graphic on the game board will exit WITHOUT saving anything. It is intended for student use when playing.
• Make sure you test your game to make sure everything is linked and working correctly.
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Do NOT:
• Change any hyperlinksType <ctrl><home> to return to 1st slide
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