Intro to logs

• 2⁸ = 3

• 2³ = 8

• 3² = 8

• 8³ = 2

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CCSS.HSF.BF.B.5

• 2

• 5

• 125

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CCSS.HSF.BF.B.5

Rewrite 3⁴ = 81 in logarithmic form.

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

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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

• ½

• -½

• 2

• -2

• 5^t=3

• log₃5 = log₃t

• t⁵=3

• 3⁵=t

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CCSS.HSF.BF.B.5

Write the value of:
log₆ (1/6)

• - 1/6

• 1/6

• -1

• 1

Evaluate.
log(1/100)

• –2
• 1/2
• –1/2
• 2

Write in exponential form.
log₂(¹/₈) = -3

• 2^-3 = ¹/₈
• 2^1/8 = -3
• -3² = ¹/₈
• -3^1/8 = 2

Tags

CCSS.HSF.BF.B.5