Current technology project

Unit 10 Jeopardy 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

Which equation corresponds to the following graph?
x2 - 5 x + 4
- x2 + 5x + 4
x2 - 5x - 4
- x2 + 5x - 4
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

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: m 2 + 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.
x 2 - 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.
1/2x 2 - 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 = 5 x and y = 2 x .
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:
3y 2 + 7y + 3 =0
( - 7± √ 1 3 ) / 6
( 7± √ 1 3 ) / 6
( 7± √85 ) / 6
( 7± √85 ) / 6

400
Answer A, ( - 7± √ 1 3 ) / 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:
a 1 = - 6, n = 4, r = 7
Use the review below to find the formula for the nth term of a geometric sequence.
a 4 = ____________

400
Answer - 2058

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