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