Algebra 2 Review

Solve log₅(4x-7)=log₅(x+5).

• x=4
• x=-4
• x=3
• x=-2

Solve for r:
3^-3r = 3⁵

• -4
• -5/3
• 2
• 8

log(x+6) = 1

• 4
• 4.222
• -5
• -9.550

Change to Exponential Form:
log₆36 = 2

• 2⁶=36
• 6²=36
• 36²=6
• 36⁶=2

Tags

CCSS.HSF.BF.B.5

What is the value of ln(e⁷)

• 2.718...
• 1
• 7
• Does not exist

Tags

TEKS.MATH.2A.5C

TEKS.MATH.2A.5D

Rewrite in exponential form:
ln(2) = x

• 2^x = 10
• 10² = x
• e^x = 2
• e² = x

Tags

TEKS.MATH.2A.5C

TEKS.MATH.2A.5D

The natural logarithm has what base?

• 10
• 0
• e
• -e

The compound interest formula is:
A = P(1 + r)^t

What does the A represent?

• The amount of interest earned.
• The amount of time that has passed.
• The total amount of money after a certain amount of time.
• The amount required to invest.

Solve the following equation.  Round your answer to two decimal places;
5 ln(x) = 7

• x = 4.06
• x = 2.04
• No solution
• None of the above

Tags

CCSS.HSF.BF.B.5

Log with a base "e" (log_e) is the same thing as...

• "e"
• Natural Logarithm (LN)
• Common Logarithm (Log)
• Natural Log, base "e"
  LN_e

Tags

CCSS.HSF.BF.B.5