Number patterns gr 12

Given the sequence:

25, 21, 17, 13,...

Write the explicit equation that models the sequence.

• a_n = 4n + 29

• a_n = - 4n + 25

• a_n = - 4n + 29

• a_n = 4n + 25

Tags

CCSS.HSF.BF.A.2

The next two terms of the sequence 4,7,10,13 are ....

• 16 and 19
• 15 and 19
• 16 and 18
• 15 and 18

Tags

CCSS.HSF.BF.A.2

Evaluate: $\sum_{x=2}^{11}\left(5x-2\right)$  

• 305

• 503

• 53

• 8

Tags

CCSS.6.EE.A.2

Find the sum for the following series. 

• 44
• -162
• -682
• 324

Tags

CCSS.HSA.SSE.B.4

Write in summation notation:  17 + 15 + 13 + …. + (-7)

• A
• B
• C

From the ground, a rubber ball is thrown 20 feet into the air.  If its rebound ratio is (⁷/₁₀), how far will it have traveled during the first five bounces.

• 55.462
• 58.139
• 110.924
• 960,341.857

After knee surgery, your trainer tells you to return to your jogging program slowly. He suggests jogging for 12 minutes each day for the first week. Each week thereafter, he suggests that you increase that time by 6 minutes per day.

How many weeks will it be before you are jogging 60 minutes per day?

• 7 weeks

• 8 weeks

• 9 weeks

• 10 weeks

• 149
• 11,200
• 5,600
• 140

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Find the arithmetic means in each sequence.

24,----,----,----,----,-1

• 19, 14, 9, 4

• 14, 19, 9, 4

• 4,9,14,19

• 19, 9,19,4

Find two geometric means between 3 and 375.

• The geometric means are 15,25

• The geometric means are 15,75

• The geometric means are 1/15, 1/25

• The geometric means are 1/15, 1/75