Math 3 Unit 2 Lesson 1 Review

What is the y-intercept?

• (0,0)
• (0,1)
• (-3,0)
• (0,-3)

Tags

CCSS.HSF-IF.C.7E

Is the pictured graph growth, decay, or linear or none?  

• Exponential Growth
• Exponential Decay
• Linear
• None

Tags

CCSS.HSF-IF.C.7E

What type of function is $y=8\left(\frac{1}{7}\right)^x$  

• Exponential Growth

• Linear

• Exponential Decay

• Quadratic

Tags

CCSS.HSF-IF.C.8B

Suppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.

• y=5000(0.70)^t

• y=30(5000)^t

• y=5000(1.3)^t

• y=5000x^.03

Tags

CCSS.HSF.LE.A.2

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

Daniel’s Print Shop purchased a new printer for $35,000. Each year it depreciates at a rate of 5%. How much will the printer be worth in 8 years?

• $23,219.72

• $136.72

• $51,710.94

• $16,710.94

Tags

CCSS.HSF.BF.A.2

What is the base of log₃(x) = 9?

• x
• 3
• 9
• 3^x

Tags

CCSS.HSF.BF.B.5

The common logarithm has what base?

• 10

• 0

• e

• -e

Write in exponential form.
log₂32 = 5

• 2^-5 = 32
• 2³² = 5
• 2⁵ = 32
• 32⁵ = 2

Tags

CCSS.HSF.BF.B.5

Rewrite the equation in logarithmic form.

• A
• B
• C
• D

Tags

CCSS.HSF.BF.B.5