Algebra 2 H Chapter 10.2 Intro

Solve for x:
log_x 25 = 2

• 5
• -5
• 1/5
• -1/5

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Evaluate.
log₃81

• 4
• ¹/₄
• -4
• -¹/₄

Evaluate log₄1

• 1
• 0
• 4
• undefined

Rewrite 3⁴ = 81 in logarithmic form.

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

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CCSS.HSF.BF.B.5

Write in logarithmic form.
5² = 25

• log₅2 = 25
• log₂25 = 5
• log₂₅5 = 2
• log₅25 = 2

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Write in logarithmic form.
2^-4 = ¹/₁₆

• log₂(¹/₁₆) = -4
• log_-4(¹/₁₆) = 2
• log _-4 2 = ¹/₁₆
• log₂(-4) = ¹/₁₆

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CCSS.HSF.BF.B.5

Solve for x
log₈(x) = 2

• x = 256
• x = 64
• x = 16
• x = 32

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CCSS.HSF.BF.B.5

Solve for x:

• 1
• 2
• .5
• 4

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log₂(1/8) = y

• y = -3
• y = (1/3)
• y = 3
• y = 0

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• 8

• 4

• 2

• 1/4

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