Precalc

Logs

100

Rewrite each equation in exponential form.

log₁₁ 121 = 2        

11² = 121

200

Rewrite each equation in logarithmic form.

81^1/2 = 9 

log₈₁ 9 = 1/2 

300

Find the inverse 

y = log₅ (x+5)

y = 5^x -5

400

Solve 

log₈ (x² -1) - log₈ 3 = 1 

{5, -5}

500

Solve 

ln(3x-1) +ln 4 =ln 15

{19/12}

conic sections

100

write the standard form equation

Center: (-13,-14), Radius: 1

(x+13)² + (y+14)² = 1