Review 👨🏻‍🏫

Geometric Sequences

100

What type of sequence is this?
2, 4, 8, 16, 32...

Geometric

200

What is the common ratio in the sequence:
81, 27, 9, 3, 1...?

1/3  

300

What is the next term in the geometric sequence:
5, 15, 45, ___?

135

400

What is the formula for the nth term of a geometric sequence with first term 7 and common ratio 3?

a^n=7⋅3^n−1

500

What is the 6th term of the sequence:
2, 6, 18, 54...?

486

FOIL

100

(x + 2)(x + 3)

x² + 5x + 6

200

(x - 4)(x + 5)

x² + x - 20

300

(x - 6)(x - 2)

x² - 8x + 12

400

(2x + 1)(x + 3)

(-2,0) (0,-4) 

500

x+2y=-2

(-2,0) (0,-1)

y

100

x+y=5

(5,0) (0,5) 

200

5x+4y= 20

(4,0)(0,5) 

300

x-y=4

(4,0) (0,-4) 

400

x+2y=6

(6,0) (0,3) 

500

3x-5y= 15

(5,0)(0,-3) 

(Blank)

100

3x+6y = 18

(6,0)( 0,3) 

200

x + y = 1 

(1,0) (0,2) 

300

2x-6y= 18

(9,0) (0,-3)

400

4x+y = -8 

(-2,0) (0,-8) 

500

x- 9y = -45 

(-45,0) (0,5) 

Random trivia

100

How many colors of m&m's are there? 

six 

200

What is the capital of Florida? 

Tallahassee 

300

Abraham Lincoln was the _______ president? 

16th 

400

How many sides are there in an Tridecagon?

13

500

How many days are left in the school year? 

24