TEKS.MATH.9-12.II.C.1

2x + y = 41

• x = 2y + 41
• y = 2x -41
• y = -2x + 41
• x = y -39

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TEKS.MATH.9-12.II.C.1

∣ 2x + 9 ∣ = 15

• x = 3 
• x = 3
  x = -6
• x = 3
  x = -12
• x = 6
  x = -12

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TEKS.MATH.9-12.II.C.1

Solve x² - 5x + 10 = 0

• (5 - i√15)/2  ,  (5 + i√15)/2
• (5 - √15)/2  ,  (5 + √15)/2
• (5 - i√65)/2  ,  (5 + i√65)/2
• (5 - √65)/2  ,  (5 + √65)/2

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TEKS.MATH.9-12.II.C.1

The figure is a parallelogram.  
Solve for x.  

• 7
• 1
• 5
• 2

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TEKS.MATH.9-12.II.C.1

The solution (x, y) to a system of equations is the point where they...? 

• Run off the graph
• Don't touch
• Intersect
• Exist

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TEKS.MATH.9-12.II.C.1

Is (-2,4) a solution to the system?

• Solution
• Not a solution

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TEKS.MATH.9-12.II.C.1

What is the inverse of the function?

• f^-1(x) = √(x - 2)
• f^-1(x) = √(x + 2)
• f^-1(x) = ± √(x + 2)
• f^-1(x) = ± √(x - 2)

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TEKS.MATH.9-12.II.C.1

-7x² +21 = 14

• 1
• -1
• NO Real Solutions
• 1, -1

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TEKS.MATH.9-12.II.C.1

What should you do first in solving this equation?
x² + 6x - 13 = 3

• Get factored form
• Write down: a=1, b=6, c=-13
• Make it equal 0 by subtracting 3 on each side
• Type it all in a calculator.

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TEKS.MATH.9-12.II.C.1

Solve 8 = 2^5x+7

• x = ⅘
• x = ¼
• x = -⅘
• x = -¼

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TEKS.MATH.9-12.II.C.1