Unit 4: Test Review Alg II

A population of fish starts at 8,000 and decreases by 6% per year. What is the population of fish after 10 years?

• 14327
• 4309
• 839
• 7680

Tags

CCSS.7.RP.A.3

Twenty years ago, Mr. Davis purchased his home for $160,000. Since then, the value of the home has increased about 5% per year. How much is the home worth today?

• $176,783.29
• $424,527.63
• $57,357.75
• $532,041,076.80

Tags

CCSS.HSA.CED.A.1

What is the initial value for the function: f(x) = 300(1.16)^x?

• 300

• 1.16

• .16

• x

Tags

CCSS.HSF.LE.B.5

CCSS.HSF.IF.A.2

Is this exponential growth or decay?

• Growth
• Decay

Tags

CCSS.HSF-IF.C.8B

Solve: 9^8-x = 27^x-3

• x = 5
• x = -5
• x = 1/5
• x = -1/5

Tags

CCSS.HSF.BF.B.5

CCSS.HSA.CED.A.1

CCSS.HSF.LE.A.4

CCSS.HSA.REI.A.1

81^3-x = (1/3)^5x-6

• 6
• -6
• 9/2
• 3/2

Tags

CCSS.HSF.BF.B.5

CCSS.HSA.CED.A.1

CCSS.HSF.LE.A.4

Emily would like to buy some new furniture for her home. She decides to buy the furniture on credit with 9.5% interest compounded quarterly. If she spent $7,400, how much total will she have paid after 8 years.

• $15,415.94
• $15,683.28
• $15,927.56
• $16,109.05

Tags

CCSS.HSA.CED.A.1

CCSS.HSF.LE.B.5

CCSS.HSF.LE.A.1

CCSS.HSA.SSE.A.1

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.2

 $y\ =\ -2\left(4\right)^{\left(x+3\right)}-7$  
Describe the shift in this graph

• Left 3 units and Up 7 units

• Right 3 units and Up 7 units
  

• Left 3 units and Down 7 units

• Right 3 units and Down 7 Units

Principal: $999
Interest Rate: 5.45%
Time: 19 years
Compounded Quarterly
State the future account balance.

• $2794.10
• $2738.11
• $2774.98
• $2807.11

Tags

CCSS.HSA.CED.A.1

CCSS.HSF.LE.B.5

CCSS.HSF.LE.A.1

Write the equation  $\log_{243\ }81\ =\frac{4}{5}$  in exponential form.

•  $81^{\frac{4}{5}\ }=\ 243$  

•  $243^{\frac{4}{5}\ }=\ 81$  

•  $\left(\frac{4}{5}\right)^{81}\ =\ 243$  

•  $\left(\frac{4}{5}\right)^{243}\ =\ 81$  

Tags

CCSS.HSF.BF.B.5