You used the laws of exponents to find€¦ · You used the laws of exponents to find products and...
Transcript of You used the laws of exponents to find€¦ · You used the laws of exponents to find products and...
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You used the laws of exponents to find products and quotients of monomials.
LEQ: How do we evaluate and rewrite expressions involving rational exponents & solve equations involving expressions with rational exponents?
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• rational exponent
• cube root
• nth root
• exponential equation
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Radical and Exponential Forms
Answer:
Write each expression in radical form, or write each radical in exponential form.
= 9 Simplify.
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Radical and Exponential Forms
Answer: 9
Write each expression in radical form, or write each radical in exponential form.
= 9 Simplify.
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Radical and Exponential Forms
Write each expression in radical form, or write each radical in exponential form.
Answer:
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Radical and Exponential Forms
Write each expression in radical form, or write each radical in exponential form.
Answer:
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Radical and Exponential Forms
Write each expression in radical form, or write each radical in exponential form.
Answer:
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Radical and Exponential Forms
Write each expression in radical form, or write each radical in exponential form.
Answer:
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Radical and Exponential Forms
Write each expression in radical form, or write each radical in exponential form.
Answer:
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Radical and Exponential Forms
Write each expression in radical form, or write each radical in exponential form.
Answer: 9
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A. 16
B. 8
C. 4
D. 2
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A. 16
B. 8
C. 4
D. 2
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nth Roots
A.
Answer:
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nth Roots
A.
Answer: 4
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nth Roots
B.
Answer:
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nth Roots
B.
Answer: 5
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A. 343
B. 81
C. 49
D. 7
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A. 343
B. 81
C. 49
D. 7
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Evaluate b Expressions
Answer:
A.
= 11 Simplify.
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Evaluate b Expressions
Answer: 11
A.
= 11 Simplify.
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Evaluate b Expressions
Answer:
= 7 Simplify.
B.
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Evaluate b Expressions
Answer: 7
= 7 Simplify.
B.
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A. 4
B. 8
C. 16
D. 32
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A. 4
B. 8
C. 16
D. 32
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Evaluate b Expressions
Answer:
= 22 25 = 32
= 4 Simplify.
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Evaluate b Expressions
Answer: 4
= 22 25 = 32
= 4 Simplify.
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Evaluate b Expressions
Answer:
= 95 92 = 81
= 59,049 Simplify.
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Evaluate b Expressions
Answer: 59,049
= 95 92 = 81
= 59,049 Simplify.
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A. 216
B. 36
C. 18
D. 6
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A. 216
B. 36
C. 18
D. 6
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Solve Exponential Equations
A. Solve 9x = 729.
Answer:
9x = 729 Original equation
9x = 93 Rewrite 729 as 93.
x = 3 Power Property of equality
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Solve Exponential Equations
A. Solve 9x = 729.
Answer: 3
9x = 729 Original equation
9x = 93 Rewrite 729 as 93.
x = 3 Power Property of equality
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Solve Exponential Equations
B. Solve 162x – 1 = 8.
162x – 1 = 8 Original equation
(24)2x – 1 = 23 Rewrite 16 as 24 and 8 as 23.
28x – 4 = 23 Power of a Power, Distributive Property
8x – 4 = 3 Power Property of Equality
8x = 7 Add 4 to each side.
Divide each side by 8.
Answer:
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Solve Exponential Equations
B. Solve 162x – 1 = 8.
162x – 1 = 8 Original equation
(24)2x – 1 = 23 Rewrite 16 as 24 and 8 as 23.
28x – 4 = 23 Power of a Power, Distributive Property
8x – 4 = 3 Power Property of Equality
8x = 7 Add 4 to each side.
Divide each side by 8.
Answer:
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Solve 93x + 1 = 274.
A.
B.
C.
D. 2
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Solve 93x + 1 = 274.
A.
B.
C.
D. 2
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BIOLOGY The population p of a culture that begins
with 40 bacteria and doubles every 8 hours can be
modeled by , where t is time in hours. Find
t if p = 20,480.
Original equation
p = 20,480
Divide each side by 40.
Solve Exponential Equations
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Solve Exponential Equations
Rewrite 512 as 29.
72 = t Multiply each side by 8.
Power Property of Equality
Answer:
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Solve Exponential Equations
Rewrite 512 as 29.
72 = t Multiply each side by 8.
Power Property of Equality
Answer: 72
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A. 6
B. 8
C. 9
D. 12
NEWS The number of hits to a news story online
can be modeled by , where t is time in
hours. Find t if h = 24,576.
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A. 6
B. 8
C. 9
D. 12
NEWS The number of hits to a news story online
can be modeled by , where t is time in
hours. Find t if h = 24,576.