do now (7.4 practice): graph. determine domain and range

Do Now (7.4 Practice): Do Now (7.4 Practice): Graph . Graph . Determine domain and range.Determine domain and range.

Algebra IIAlgebra II7.6: Solve Exponential and 7.6: Solve Exponential and

Logarithmic EquationsLogarithmic EquationsHW: tonight: p.543 (2-8 even, 13-15 all) HW: tonight: p.543 (2-8 even, 13-15 all)

Monday: 7.6: p.519-520 (4-14 even, 24-Monday: 7.6: p.519-520 (4-14 even, 24-36 even)36 even)

Test: Wednesday, 3/4Test: Wednesday, 3/4

7.5: Change-of-base 7.5: Change-of-base FormulaFormula

Use the change-of-base Use the change-of-base formula to evaluate the formula to evaluate the

logarithm.logarithm.

Property of Equality for Property of Equality for Exponential EquationsExponential Equations

5x

Property of Equality for Property of Equality for Exponential EquationsExponential Equations

7x

Solve the equation. (Type 1)Solve the equation. (Type 1)

If the equation isa log = log with the same base, make the expressions equal and solve.

4x – 7 = x + 53x = 12

x = 4

Solve the equation. (Type 1)Solve the equation. (Type 1)

Algebra IIAlgebra II7.6: Solve Exponential and 7.6: Solve Exponential and

Logarithmic EquationsLogarithmic EquationsHW: 7.6: p.519-520 (4-14 even, 24-36 HW: 7.6: p.519-520 (4-14 even, 24-36

even)even)

Test: Wednesday, 3/4Test: Wednesday, 3/4

Solve the equation. (Type 2)Solve the equation. (Type 2)3)15(lo g . )3 4 x

If the equation is a log = number, then write as a power.

154 3 x

156 4 x

x56 5 x1 3

Solve the equation. (Type 2)Solve the equation. (Type 2)

Solve the equation. (Type 3)Solve the equation. (Type 3)Rewrite the equation so that the powers have the same base.

32 32 7 a n d 39

When the equation is a power = power with the same base, make the exponents equal and solve.

Solve the equation. (Type 3)Solve the equation. (Type 3)

Solve the equation. (Type 4)Solve the equation. (Type 4)If the equation is a power = number, then rewrite as a log.

Solve equation using log rules. (change of base)

1 1lo g 4x

4log

11logx

7 3.1x

Solve the equation. (Type 4)Solve the equation. (Type 4)

Do Now (7.6): Solve the Do Now (7.6): Solve the equation.equation.