90 likes | 116 Views
Solving Logarithmic Equations. TS: Making decisions after reflection and review. Obj: Be able to solve equations involving logarithms Warm-Up: Solve for x 4 x = 64 log 2 x + log 2 x = 6. Solve Each Equation. (½) x = 32 2) e x +2 = 3 3) 2 x = 0. Solve Each Equation.
E N D
Solving Logarithmic Equations TS: Making decisions after reflection and review. Obj: Be able to solve equations involving logarithms Warm-Up: Solve for x 4x = 64 log2x + log2x = 6
Solve Each Equation • (½)x = 32 2) ex +2 = 3 3) 2x = 0
Solve Each Equation 4) 3x + 2= 21 5) 22x + 2x – 6 = 0
Solve Each Equation 6) 8-2 – x = 431 7)e2x – 3ex + 2 = 0
Solve Each Equation • 2log53x = 4 2)log3(5x – 1) = log3(x+7)
Solve Each Equation 3) 5 + 2lnx = 4 4) ln(x – 2) + ln(2x – 3) = 2lnx
Solve Each Equation 5) log3x + log3(x – 8) = 2
You try & use your calculator to check your answers • e2x – 5ex + 6 = 0 • ln(3x + 5) = 8 • logx25 = 2 • lnx – ln2 = 0 • log4(x – 20) + log4(x) = -16 • 1000e-4x = 75