Algebra 2 Common Core Regents Quiz

What is a key characteristic of a geometric sequence?

• The product of consecutive terms is constant.

• The sum of consecutive terms is constant.

• The difference between consecutive terms is constant.

• The ratio between consecutive terms is constant.

If you have the equations x + y + z = 9 and x - y - z = -1, what is the result when you add them?

• z = 0

• y = 0

• 2x = 8

• x = 4

After finding x = 4, which equation pair should you use next to find z?

• x - y + z = 21 and x - y - z = -1

• x + y + z = 9 and x - y - z = -1

• x + y + z = 9 and x - y + z = 21

• x + y + z = 9 and x + y - z = 21

What is the value of z in the system of equations?

• z = 12

• z = 9

• z = 10

• z = 11

Which value is not part of the solution set for the system of equations?

• -8

• -6

• 11

• 4