Arithemetic: Recursive and Explicit Quiz

what is the sequence formula of 8 6 4 2 ?

• -2n+10

• -2n

• -2

• 2n-10

Tags

CCSS.HSF.BF.A.2

what is the linear equation of sequence 10 15 20 25 ?

• y=5x+5

• y=5x

• y=x+5

• y=5x+1

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

• -20, -23, -26, -29, -32

• -23, -26, -29, -32, -35

• -24, -29, -34, -39, -44

• -24, -27, -30, -33, -36

Tags

CCSS.HSF.BF.A.2

An arithmetic sequence is given below.

2, 9, 16, 23, ...

Which is the explicit formula for the n^th term a_n?

(Look at the choices carefully! You may have to simplify your equation to get the correct choice!)

• a_n = -7n+9

• a_n = 7n-5

• a_n = 7n-9

• a_n = -7n+5

Tags

CCSS.HSF.BF.A.2

• 48

• 49

• 50

• 51

Tags

CCSS.HSF.BF.A.2

A mechanic charges a fee of $40 to diagnose a problem, and $70 per hour for labor to fix it. Write an equation in slope intercept form to represent this situation.

• y = mx + b

• y = 70x + 40

• y = 40x + 70

Speedy Boat Rental charges a $15 deposit fee plus $2 for each hour of use to rent a paddle boat.  Write an equation for C, the total cost, to rent the boat for h hours.

• h = 2C + 15
• C = 15h + 2
• h = 15C + 2
• C = 2h + 15

Tags

CCSS.HSF-BF.A.1A

The Roaming Cell Phone Company charges $15.00 per month plus $0.20 per minute of airtime usage.  If Juanita uses x minutes of airtime, what is an equation that can be used to determine her monthly cell phone bill (C)?

• C = 0.20x + 15
• C =15 (0.20x)
• C = 15 + x + 0.20
• C = 0.20 + 15x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

In the sequence 3, 5, 7, 9, ... What is the first term?

• 3

• 5

• 7

• 9

Tags

CCSS.HSF.BF.A.2

What is the value of the first term of the sequence a_n = n - 1?

• -1

• 1

• 0

• 2

Tags

CCSS.HSF.BF.A.2