Formative Assessment 6 [Geometric Means]

Insert a geometric mean between 4 and 100.

(a)  

Tags

CCSS.8.EE.A.2

Insert three geometric means between 3 and 243.

• $9,\ 27,\ 81$

• $81,\ 27,\ 3$

• $81,\ 27,\ 9$

• $9,\ 18,\ 27$

Tags

CCSS.8.EE.C.7B

Insert a geometric mean in the geometric sequence:

2, 8, (a)   , 128,...

Tags

CCSS.HSF.BF.A.2

Insert a geometric mean between 12 and 300.

• 60

• 63

• 66

• 6

Tags

CCSS.8.EE.A.2

Insert a geometric mean between 900 and 225.

(a)  

Tags

CCSS.8.EE.A.2

Insert a geometric mean between 1530 and 170

• 519

• 510

• 501

• 511

Tags

CCSS.8.EE.A.2

Check all the geometric means of the sequence 63125, ___, ___, ___, 101.

• 12625

• 2525

• 505

• 16225

• 2255

Tags

CCSS.HSF.BF.A.2

Check all the geometric means between 12, ___, ___, ___, 15552.

• 72

• 432

• 2592

• 4332

• 2952