Math Models - Final

Alice’s account balance is currently $12 and she deposits $10 every week. Bob’s account balance is currently $22 and he deposits $7.50 every week. After how many weeks will Alice and Bob have the same account balance?

• 1 week

• 2 weeks

• 4 weeks

• 9 weeks

Tags

S2487059

What is the value of x in the equation 3(2x − 1) = 21?

• 3

• 4

Tags

AI.9.12.E

Tags

AI.9.2.B

• Infinite Solutions
• No Solution
• (10,4)
• (6,2)

Tags

AI.9.3.A

A tourist decides to go cliff jumping in Hawaii from a cliff that is 7 yards from the water. The parabola below shows the path of the jumper. 

What is the equation's axis of symmetry?

• x = 2

• x = 6

• y = 7

• y = 9

Tags

AI.9.7.A

• 0.0461

• 0.9539

• 1.9539

• 10,000

Tags

MMA.9-12.5.B

• 25

• 28

• 52

• 60

Tags

MMA.9-12.5.A

AII.9-12.6.L

Tags

MMA.9-12.4.C

The stem-and-leaf plot below shows the height of all the plants in Timothy's garden.

What is the difference between the tallest plant than the second shortest plant?

• 2.0 inches

• 4.0 inches

• 4.8 inches

• 7.0 inches

Tags

MMA.9-12.9.E

William tossed a coin four times while waiting for his bus at the bus stop. The first time it landed on heads. The second time it landed on tails. The third and fourth time it landed on heads. If he were to toss the coin a fifth time, what are the chances that it will land on tails?

Tags

MMA.9-12.8.B