Math Final 2

J

100

-3x + 4 < 13

GOING RIGHT OPEN CIRCLE

200

X Y

XY

x 4 y 5

300

30% decrease

12% increase

.30

.12

400

|1-4n|

2                 < or equal to -5

FALSE STATEMENT 

I

100

x > or equal to -3

GOING LEFT CLOSED CIRCLE

200

100, 50, 25, 12.5

Geometric or arithmetic

Common ratio

explicit rule

recursive rule

Geometric

Common ratio = times 1/2

explicit rule 

a1 = 100 x 1/2 (n -1)

recursive rule

an = an -1 x 1/2

300

If two lines are perpendicular to each other, what do you know about their slopes?

The slopes are negative reciprocals to each other

A

100

5|x-2|<-20

NO SOLUTION 

200

6, 10, 14, 18

Geometric or arithmetic 

Explicit rule

Recursive rule

Arithmetic 

Explicit rule

a1 = 6 + 4 (n-1)

Recursive rule

an=an -1 +4

300

-3 check mark 32p 2

-12 check mark 2p

W

100

5 > or equal to x

x+ y < or equal to 5

Graph

On 5 up and down 5's shade

200

Write the next 5 terms, then write recursive rule

an + 12 + (n-1) 1.5

Recursive rule

12, 13.5, 15, 16.5, 18

Recursive rule

an = 12, an= 1.5 + an -1

300

-8 check mark 144n

-96 checkmark n

Y

100

A B C

A B C

b 13

a 5

200

Write the first 5 terms, then the explicit rule

a1 = 7, an = 4a n-1

Explicit rule

7, 28, 112, 448, 1792

Explicit rule: an= 4+ an t

300

|5-4| > or equal to 15

n = - infinite, -5/2