Transitions Chapter 1 Review

Which Form?

100

y=-3x-8

What is slope-intercept form?

200

9-7x=y

What is slope intercept form?

300

2=1/2x+2/3y

What is standard form?

400

y=2-2(x-2)

What is point slope form?

500

y=1/2x

What is slope intercept form?

Geometric, Arithmetic, or Neither?

100

7, 17, 27, 37, ...

What is arithmetic, d=10?

200

20, 15, 10, 5, 0, -5, ...

What is arithmetic, d=-5?

300

1, 2, 4, 7, 11, ...

What is neither?

400

2, 4, 8, 16, 31, ...

What is neither?

500

80, 40, 20, 10, 5, ...

What is geometric, r= 1/2 ?

Formulas (writing)

100

Write a recursive formula for 7, 17, 27, 37, ...

What is 

a₁=7

a_n=a_n-1+10

200

Write an explicit formula for 20, 15, 10, 5, 0, -5, ...

What is 

a_n=20-5(n-1)

300

Write a recursive formula for 80, 40, 20, 10, 5, ...

a₁=80

a_n=a_n-1  *1/2 

400

Write an explicit formula for 80, 40, 20, 10, 5, ...

What is 

a_n=  80*(1/2)^(n-1) 

500

Write an explicit formula for 7, 17, 27, 37, ...

What is 

a_n=7+10(n-1)