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Do Now (7.4 Practice): Do Now (7.4 Practice): Graph . Graph . Determine domain and range.Determine domain and range.
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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
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7.5: Change-of-base 7.5: Change-of-base FormulaFormula
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Use the change-of-base Use the change-of-base formula to evaluate the formula to evaluate the
logarithm.logarithm.
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Property of Equality for Property of Equality for Exponential EquationsExponential Equations
5x
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Property of Equality for Property of Equality for Exponential EquationsExponential Equations
7x
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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
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Solve the equation. (Type 1)Solve the equation. (Type 1)
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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
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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
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Solve the equation. (Type 2)Solve the equation. (Type 2)
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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.
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Solve the equation. (Type 3)Solve the equation. (Type 3)
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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
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Solve the equation. (Type 4)Solve the equation. (Type 4)
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Do Now (7.6): Solve the Do Now (7.6): Solve the equation.equation.