Geometric Sequences Exponential Functions Solving Quadratic Equations Graphing Quadratic Functions 400 400 400 400 300 300 300 300 200 200 200 200 100 100 100 100 Unit 10 Jeopardy
Geometric Sequences
Exponential Functions
Solving Quadratic Equations
Graphing Quadratic Functions
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Unit 10 Jeopardy
Which equation corresponds to the following graph?
• x2 - 5x + 4
• - x2 + 5x + 4
• x2 - 5x - 4
• - x2 + 5x - 4 QuickTimeª and aTIFF (Uncompressed) decompressor
are needed to see this picture.
100
100
Answer D, - x2 + 5x - 4
200
The following is a graph of a function whose corresponding quadratic equation has no solutions.
A. True
B. False
QuickTimeª and aTIFF (Uncompressed) decompressor
are needed to see this picture.
200
Answer True
300
Find the coordinates of the vertex of the following equation, and is the vertex a maximum or a minimum?
y = 4x2 + 8x - 13
• ( -1, -17) maximum
• ( 1, -1) minimum
• ( - 1, - 17) minimum
• ( 1, -1) maximum
300
Answer C, ( - 1, - 17) minimum
100
Graph the following equation: m2 + 6m - 16 = 0
Which solution below is correct?
• m = - 8, m = 2
• m = 4, m = - 4
• m = 8, m = - 2
• m = 8, m = 2
100
Answer C, m = 8, m = - 2
200
Solve the following equation by taking the square root of each side. Round your answer to the nearest tenth.
x2 - 4 x - 14 = 0
Which answer below is correct?
• x = - 6.2, x = - 2.2
• x = 6.2, x = 2.2
• x = - 6.2, x = 2.2
• x = 6.2, x = - 2.2
200
Answer D, 6.2, x = - 2.2
300
Solve the following equation by taking the square root of each side.
1/2x2 - 7/4x - 4 = 0
• x = 5.05, x = - 1.5
• x = 9.75, x = 7.25
• x = - 5.05, x = 1.05
• x = - 7.25, x = - 9.75
300
Answer A, x = 5.05, x = - 1.5
100
Compare the graphs of y = 5x and y = 2x.
Which graph is steeper?
• y = 2x
• y = 5x
• neither
100
Answer B, y = 5x
200
y = 4(3x -7)
What is the y intercept = _____
200
Answer is -24
300
Given the function y = ( 3/10)x
When x = - 1.4, y is:
• 4< y < 5
• 3< y < 2
• 5< y < 6
• 6< y < 7
300
Answer C, 5< y < 6
100
The following sequence is geometric:
- 1,472, - 368, - 92, - 23
• True
• False
100
Answer True
200
Which number is next in the geometric sequence:
50, 175, 612.5, 2,143.75, ___________
• 6,431.125• 6,429• 7,800• 7,503.125
200
Answer D, 7503.125
300
What is the negative geometric mean for the following geometric sequence:
- 6, _______, - 864
geometric mean = ____________
300
Answer -72
400
What is the equation of the axis of symmetry of the graph of:
y = 3x2 - 7x + 13
x = ____________
400
Answer 1.17
400
Which expression represents the solutions to:
3y2 + 7y + 3 =0
• ( - 7± √13 ) / 6• ( 7± √13 ) / 6• ( 7± √85 ) / 6• ( 7± √85 ) / 6
400
Answer A, ( - 7± √13 ) / 6
400
If you invest $1,000 in a savings account that pays 5.25% interest compounded monthly, use a calculator to find out what the value of your account be after 18 years? Give your answer to the nearest whole dollar. Use the review below to find the equation for compound interest.
A = ________________
400
Answer 2,568
400
What is the nth term of the following geometric sequence:
a1 = - 6, n = 4, r = 7
Use the review below to find the formula for the nth term of a geometric sequence.
a4= ____________
400
Answer - 2058