taks jeopardy review direct variation functions
TRANSCRIPT
TAKS Jeopardy Review
Direct Variation
Functions
Probability
Solving for Variables
Areas and Lines
Solving for X
JeopardyDirect
VariationFunctions Probability
Solving for Variables
Areas and Lines
Solving for X
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Final Jeopardy
$100 Question Direct Variation
• What letter represents “varies directly?”
$100 Answer Direct Variation
• K
Return
$200 Question Direct Variation
• The distance traveled by a plane varies directly with the square of the wind speed. Write an equation to model the problem.
$200 Answer Direct Variation
• D = ks2
Return
$300 Question Direct Variation
• The distance traveled by a car after the breaks are applied varies directly with the square of the speed. A car traveling at 30 mph has a breaking distance of 24 feet. Find the breaking distance of a car traveling 45 mph.
$300 Answer Direct Variation
• 54 feet
Return
$400 Question Direct Variation
• The amount of material needed to cover a ball varies directly with the square of the radius. Find the radius of a ball that needs 366 square centimeters of material to cover it. The variation constant is 12.56.
$400 Answer Direct Variation
• 5.4cm
Return
$500 Question Direct Variation
• The cross sectional area of a tree trunk varies directly with the square of its age. A tree with a cross sectional area of 49 square inches is 11 years old. What is the cross sectional area of a tree that is 18 years old?
$500 Answer Direct Variation
• 131.22 in2
Return
$100 Question Functions
• How can you tell if a graph is a function?
$100 Answer Functions
• It passes the Vertical Line Test (VLT)
Return
Daily Double
Daily Double Question
• F(x) = -5x2-5x-3, find f(3)
Daily Double Answer
• F(5) = -153
Return
$300 Question Functions
• F(4) = 2 and F(7) = 5 Write an equation to model the points in F(x) = mx+b
$300 Answer Functions
• F(x) = x-2
Return
$400 Question Functions
• What kind of a function is
F(x) = -3x2+4x-2?
$400 Answer Functions
• Quadratic
Return
$500 Question Functions
• What is the range of a function?
$500 Answer Functions
• The range is all y values of the graph or how far down and up a graph goes.
Return
$100 Question Probability
• How many ways to arrange the word MATHEMATICS?
$100 Answer Probability
• 4,989,600
Return
$200 Question Probability
• The GlenOak Chess Club has 9 members. 3 of these members will be chosen for an elite team. How would you compute the possible total?
$200 Answer Probability
• 9C3
Return
$300 Question Probability• Two dice are rolled. Find P(sum is 9)
$300 Answer Probability
9
1
Return
$400 Question Probability
• The eleven member Board of Directors of a company wants to elect a President, Vice President, Secretary, Treasurer, and Historian from 11 members. How many different ways can this be done?
$400 Answer Probability
• 55,440
Return
$500 Question Probability
• Mrs Yoskey has a bag of 2 red, 6 blue, 3 yellow, and 4 green marbles. She reaches in and pulls out 2 marbles without putting them back in. Calculate P(2 yellow marbles)
$500 Answer Probability
• 1/35 or 2.8%
Return
$100 Question Solving for Variables
• Y = mx+b, solve for x
$100 Answer Solving for Variables
m
byx
Return
$200 Question Solving for Variables
wdV 2
• Solve for d.
$200 Answer Solving for Variables
w
Vd
Return
$300 Question Solving for Variables
bhA2
1
• Solve for b.
$300 Answer Solving for Variables
h
Ab
2
Return
$400 Question Solving for Variables
2
2
1
1
T
V
T
V
• Solve for V1
$400 Answer Solving for Variables
2
211 T
VTV
Return
$500 Question Solving for Variables
g
lP 2
• Solve for g.
$500 Answer Solving for Variables
2
2
P
lg
Return
$100 Question Areas and Lines
• Perpendicular lines have what kind of slope?
$100 Answer Areas and Lines
• Negative Reciprocals
Return
$200 Question Areas and Lines
• Write an equation of a line that goes through (-6,-6) and it perpendicular to the line y=2x-2
$200 Answer Areas and Lines
• y= - 1/2x - 9
Return
$300 Question Areas and Lines
• Does this system of equations have no solutions, one solution, or many solutions? -3x+6y = 12
X-2y = 6
$300 Answer Areas and Lines
• No Solutions because they are parallel lines.
Return
$400 Question Areas and Lines
• What is the length of the base of a trapezoid that has an area of 162 feet2 , a height of 6 feet, and a base of 40 feet?
$400 Answer Areas and Lines
• 14 feet
Return
$500 Question Areas and Lines
• Find the area of a sector that has an angle measure of 37o and a radius of 8 millimeters.
$500 Answer Areas and Lines
• 20.66 millimeters2
Return
$100 Question Solving for X
• XY = 27.6 Find x when y = 4.6
$100 Answer Solving for X
• X = 6
Return
$200 Question Solving for X
• Y = 4x3 Find x when Y = 12
$200 Answer Solving for X
• X =1.44
Return
$300 Question Solving for X
• Y = 2x2 Find x when Y = 12
$300 Answer Solving for X
• X = 2.45
Return
$400 Question Solving for X
• Solve for X using linear combination or substitution.
• 2X + 3Y = 18
• Y = 3X – 16
$400 Answer Solving for X
• X = 6
Return
$500 Question Solving for X
• Solve for X and Y using linear combination or substitution.-5x + 4y = 56
-4x – y = 7
$500 Answer Solving for X
• X = -4
• Y = 9
• (-4,9)
Return
Final Jeopardy Topic
• Averages
Final Jeopardy Question
• Amy’s average on her first six tests in Math 2 is a 79%. What grade does she need on her 7th test to raise her average to an 82%?
Final Jeopardy Answer
• 100%
Thank You for Playing