Jeopardy 1 6 11 16 21 26 2 7 12 17 22 27 3 8 13 18 23 28 4 9 14 19 24 29 5 10 15 20 25 30

Simplify  (x – 1) 2 1

Write the expression in radical notation 141/2

(x 3 /y 6 ) - 1/3 3

3 3/x 3 9/x 2      4

5 3 4x . 3 2 x 2 5

2 12 + 7 3 6

Is 125 a perfect cube ? 7

(4 + 3)(4 - 3) 8

2(z – 1) 2 = 8, What is the value of z ? 9

y = x + 2 Is the graph shifted 2 units left or right ? 10

y = 3 x - 1 Is the graph shifted one unit downward ? 11

Write (2 + 4i)/2 in standard form 12

Write in imaginary expression - 49 13

Write the expression in standard form 3i + (2 – 3i) – (1 – 5i) 14

4x + 4 + x + 1 Simplify 15

Rationalize the denominator 2/(5 - 7) 16

Multiply and simplify ( xy - 1)( xy + 2 ) 17

The wing span L of a bird with weight W can sometimes be modeled by L = 27.4W 1/3 , where L is in inches and W is in pounds. Calculate the weight of a bird that has a wing spanof 30 inches 18

If a parabola is symmetric with respect to the y-axis, the y-axis is called the ____ 19

If y = ax 2 + bx + c , the x-coordinate of the vertex is given by x = 20

Find the vertex of the parabola f(x) = x 2 - 4x – 2 Find the vertex of the parabola f(x) = x 2 - 4x – 2. What is axis of symmetry ? 21

Identify the vertex of parabola f(x) = 5 - x 2 22

Using square root property, solve the equation 3x 2 = 1/3 23

Solve the equation using quadratic formula 5x 2 + 1 = 5x 24

Solve x(x – 8) = 5 25

2 x 2 - 3x + 1 = 0, How many solutions are there ? Evaluate discriminant 26

Solve the equation and write complex solution in standard form Solve the equation and write complex solution in standard form. 2x 2 + 8 = 0 27

Hotel rooms cost $ 90- per night Hotel rooms cost $ 90- per night. A group rate the management reduced the cost of a room by $3 for every room rented. Write the formula f(x) from renting x rooms that gives the revenue at the group rate. How many rooms should be rented to maximize revenue 28

What is quadratic formula used for ? 29

Write the complex expression in standard form (3 + i)/ (1 – i) 30

x - 1 1

14 2

y 2 /x 3

3/x 4

10x 5

11 3 6

Yes 7

13 8

3, -1 9

Shifted 2 unit left 10

Yes 11

1 + 2i 12

7 i 13

1 + 5i 14

3 x + 1 15

(5 + 7) / 9 16

xy + xy - 2 17

1.31 pounds 18

Axis of symmetry 19

- b/2a 20

(2, - 6); x = 2 21

(0, 5) 22

+ 1/3, - 1/3 23

(5 + 5)/10, (5 - 5)/10 24

(4 +  21), (4 -  21) 25

Two solutions; Discriminant = 1 26

+ 2i, - 2i 27

x(90 – x); 15 rooms 28

To solve the equation 29

1 + 2i 30

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