Alg Supp Unit 1 Test Review

• 1. -8, -1, 6

• 1. -1, 6, 13

• 1. -8, 1, 8

• 1. -15, -8, -1

Which recursive formula is represented by the sequence shown in the table?

Which equation represents the linear function shown on the coordinate plane?

• 1. y = -2/5x - 1

• 1. y = 2x - 1

• 1. y = 

  2. 2/5x - 1

• y = - 2x - 1

Which function describes the arithmetic sequence shown?

5, 11, 17, 23, 30,...

• 1. f(x) = -5x - 1

• 1. f(x) = 5x -1

• 1. f(x) = 6x - 1

• 1. f(x) = -6x + 1

Consider the first five terms of an arithmetic sequence.

-12, -32, -52, -72, and -92

Which explicit formula defines the given arithmetic sequence? (General form:  an = a1 + d(n-1)

• 1. an= -12 + 20n

• 1. an = -12 - 20n

• an = -8 - 20n

• an = 8 - 20n

Consider the first five terms of an arithmetic sequence.

-12, -32, -52, -72, and -92

How do you define the sequence using function notation?  Assume the domain is all natural numbers.

• 1. f(x) = - 20x + 8

• 1. f(x) = - 20x -12

• 1. f(x) = 20x - 12

• 1. f(x) = - 20x - 8

Stephen, a delivery worker, earns $300 per week for working 40 hours.  He will earn $15 for every hour he works over 40 hours.  A delivery worker can work a maximum of 60 hours in a week.

Which of the following graphs best represents Stephen’s weekly earnings (in dollars) if he works h hours over 40?

• 
• 
• 
• 

A fighter jet descends from an altitude of 1000 feet at a rate of 90 feet per minute.  The graph of this situation is shown.

What is the zero of this function?

• 11

• 1000

• 1

• 1800

A(w), the area of a rectangular garden, is based on the width of a backyard, w. What is an appropriate domain for the function?

• All integers

• 1. All real numbers

• All whole numbers

• 1. All positive numbers

What is the range of the graph?

• 3 ≤ y ≤ 5

• 1. 3 and 5

• 2 ≤ y ≤ 5

• 1. 2 and 5