Algebra 2 Jeopardy

Factoring

100

Factor: x3-9x

What is x(x+3)(x-3)

200

Factor: x⁴-9

(x²-3)(x²+3)

300

Factor: x²-12x

x(x-12)

400

Factor: x³-5x²

x²(x-5)

500

Factor: x²-8x+6

(x-4)(x-2)

Solving Quadratics

100

Solve: x²-25=0

 5 and -5

200

Solve: x²-5x=0

0 and 5

300

Solve: x²+10x+7=0

-5 and -2

400

Solve: x²-3x-28=0

x= 7 and x=-4

500

Solve: 2x²-8=0

2 and -2

Imaginary Numbers

100

Write √-16 as an imaginary number

4i

200

What is the sum of 2+3i and 5-3i

8

300

what is i¹²

1

400

What is the product of (5i)(4i)

-20

500

What is (xi)³.(xi)

x⁴

Normal Distr

100

in a normal distribution how much data lies within  ±1 standard deviation of the mean?

68%

200

In a normal distribution, within how many standard deviation does 99% of the data lie?

  ±3

300

Where would you find the Margin of Error in a normal distribution?

  within ±2 std dev

400

In a normal dist, if the mean age of a college class is 20 and the standard dev is 4 how much data lies below 20?

50%

500

If,

1 std dev above the mean is 15 and

1 standard dev below the mean is 3.

What is the mean?

9

Random

100

What is (5e)⁰

1

200

What is f4) if f(x)=5x³

320

300

How many degrees is 3π  

540

400

What is the exact value of sin0

0

500

what is the decay rate in the function f(x)=200(0.91)^t

0.09 or 9%