U3:L2-5 Exponent and Logarithm Review

Solve: 9^8-x = 27^x-3

• x = 5
• x = -5
• x = 1/5
• x = -1/5

Solve: 7^-x = 49

• x = 1
• x = -1
• x = 2
• x = -2

Solve 3³ = 3^{4x + 2}

• x = ¼
• x = -¼
• x = ½
• x = -½

To solve 36 = 6^x, re-write 36 as what base and exponent?

• 3⁶
• 6³
• 6²
• 3¹²

• x=6

• x=45

• x=7

• x=36

log₆(2x + 3) = 3

• x = 106.5

• x = 100

• x = 16

• x = 50

Solve

• 1/2

• -1/2

• 2

• -2

Solve

• 1/3

• -1/3

• -3

• 3

Expand: log₂x⁶

• xlog₂6

• log₂x - log₂6

• log₂x + log₂6

• 6log₂x