Mock Exam 1

• -2

• -2, 2

• 2

• none of these

• 38/5

• 22/5

• 22/3

• 15/4

• 
• 
• 
• 

• x = -4, x = -2, x = -1

• none

• x = -4, x = -1

• x = -4, x = -2

• 5/4

• 2n

• 1/2n

• (n+3)/(n-3)

• n/2

• (-3x-x)/-6x

• 2/3

• x/3

• 1/3

Decide whether the data show inverse variation. If so, find the missing value.

• yes; 32

• yes; 0.25

• yes; 10

• not an inverse variation

You own 6 cassettes and are taking 4 on vacation. In how many ways can you choose 4 cassettes from the 6?

• 720

• 24

• 15

• 60

Find the first four terms of the sequence a_n = n(6n+10).

• 16, 44, 84, 136

• 16, 44, 94, 156

• 6, 34, 64, 106

• 6, 26, 36, 46