TEKS.MATH.9-12.II.D

2016

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TEKS.MATH.9-12.II.D

Rewrite 3⁴ = 81 in logarithmic form.

• log₃4 = 81
• log₈₁3 = 4
• log₃81 = 4
• log₄81 = 3

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TEKS.MATH.9-12.II.D

Change to Exponential Form:
log₆36 = 2

• 2⁶=36
• 6²=36
• 36²=6
• 36⁶=2

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TEKS.MATH.9-12.II.D

Alexandra finds that she can give 3 haircuts and 2 hair dyes in 315 minutes. Giving 2 haircuts and 4 hair dyes takes 450 minutes.  Which system of equations represents the situation?

• 3x + 2y = 315
  2x + 4y = 450
• 3x + 2y = 450
  2x + 4y = 315
• 2x + 2y = 315
  3x + 4y = 450

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TEKS.MATH.9-12.II.C

TEKS.MATH.9-12.II.D

Write in exponential form.
log₂(¹/₈) = -3

• 2^-3 = ¹/₈
• 2^1/8 = -3
• -3² = ¹/₈
• -3^1/8 = 2

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TEKS.MATH.9-12.II.D

Rewrite in exponential form.

• A
• B
• C
• D

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TEKS.MATH.9-12.II.D

What is the equation of the graph below? You can click the picture to zoom in!

• f(x) = I x + 2 I 
• f(x) = I x  I + 2
• f(x) = I x  I - 2
• f(x) = I x - 2 I 

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TEKS.MATH.9-12.II.D

What information is enough to be able to graph a line?

• two points

• slope and y-intercept

• x- and y-intercepts

• a point and a dream

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TEKS.MATH.9-12.II.D

Which of the following expresses 1+3+5+...+39

• $\sum_{k=1}^{20}2k-1$

• $\sum_{k=2}^{40}k-1$

• $\sum_{k=-1}^{37}k+2$

• $\sum_{k=1}^{39}2k-1$

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TEKS.MATH.9-12.II.D

Write in logarithmic form: $4^4=256$  

•  $\log_4256=4$  

•  $\log_{256}4=4$  

•  $\log_4256=256$  

•  $\log_44=256$  

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TEKS.MATH.9-12.II.D