CPM Algebra Semester 2 Review

Describe the sequence as arithmetic, geometric, both or neither.
-5, 5, -5, 5, -5, ...

• Arithmetic
• Geometric
• Both
• Neither

Tags

CCSS.HSF.BF.A.2

Write the explicit formula for the sequence:
48, 24, 12, 6, 3, ...

• t(n) = 48(-2)ⁿ
• t(n) = 96(-2)ⁿ
• t(n) = 48(1/2)ⁿ
• t(n) = 96(1/2)ⁿ

The equation y = 3x + 1 would best be described as:

• Linear Increase
• Exponential Growth
• Exponential Decay
• A Parabola

Tags

CCSS.8.F.A.3

In seven years, Seta’s son Stu is leaving home for college. Seta has $5000 now and has found a bank that pays 7.75% interest yearly. Which equation models how much money will she have for Stu’s first year of college?

• y = 5000(1.0775)^x
• y = 5000(1.775)^x
• y = 7.75x + 5000
• y = 1.0775x + 5000

Eight years ago, Rudi thought that he was making a sound investment by buying $1000 worth of Pro Sports Management stock. Unfortunately, his investment depreciated steadily, losing 15% of its value each year. Which equation models the value of the stock now?

• y = 1000(1.15)^x
• y = 1000(.15)^x
• y = 1000(.85)^x
• y = 8(.15)^x

Tags

CCSS.HSF.LE.A.2

Write the equation of the exponential function expressed in the table.

• f(x) = 1600(1.25)^x
• f(x) = 400x + 1600
• f(x) = 1600(0.8)^x
• f(x) = 500x + 2000

The graph shown could best be described as _____________.

• Exponential Growth
• Exponential Decay
• Linear Increase
• Linear Decrease

Tags

CCSS.HSF-IF.C.7E

Classify the following equation:
f(x) = x² - 3x - 4

• Absolute Value
• Exponential
• Linear
• Quadratic

A certain type of garden shrub doubles in number every 3 months.  If there were originally 3 shrubs, which expression would find the number of shrubs after 2 years?

• y = 3(2)⁸
• y = 3(2)²
• y = 3(1/2)⁸
• y = 3(1/2)²

Factor the polynomial:
2x² + 5x + 3

• (x + 3)(2x + 1)
• (x + 5)(2x + 1)
• (x + 1)(2x + 3)
• (x + 1)(2x + 5)