May 12: Warm-Up (Intro to Logarithms)

Rewrite log₂8 = 3 in exponential form/

• 2⁸ = 3
• 2³ = 8
• 3² = 8
• 8³ = 2

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CCSS.HSF.BF.B.5

log₅25 = ?

• 2
• 5
• 125

Rewrite log_vn = a in exponential form.

• v^a = n
• n^a = v
• vⁿ = a
• aⁿ = v

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CCSS.HSF.BF.B.5

Rewrite 3⁴ = 81 in logarithmic form.

• log₃4 = 81
• log₈₁3 = 4
• log₃81 = 4
• log₄81 = 3

Tags

CCSS.HSF.BF.B.5

Rewrite log_pt = m in exponential form.

• p^t = m
• t^m = p
• m^t = p
• p^m = t

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CCSS.HSF.BF.B.5

Solve for x:
log_x 25 = 2

• 5
• -5
• 1/5
• -1/5

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CCSS.HSF.BF.B.5

Solve for x:
log₄ x = 3

• 4
• 12
• 32
• 64

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CCSS.HSF.BF.B.5

Evaluate: log₉3

• ½
• -½
• 2
• -2

Rewrite log₃t = 5 in exponential form.

• 5^t=3
• log₃5 = log₃t
• t⁵=3
• 3⁵=t

Tags

CCSS.HSF.BF.B.5

Rewrite in exponential form:
log(10,000)=4.

• e⁴=10,000
• 4^10,000=10
• 10⁴=10,000
• 0⁴=10

Tags

CCSS.HSF.BF.B.5