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

Solve for x. Round to the nearest tenth.

• 9.8
• 0.1
• 0.038
• 9.9

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

Which system of inequality is shown?

• y > -1/5x - 1/2  
   y ≥ -2x - 4
• y > -1/5x - 1/2  
   y ≤ -2x - 4
• y ≥ -1/5x - 1/2
   y ≤ -2x - 4
• y < -1/5x - 1/2  
  y ≥ -2x - 4

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

128 = -3x + 5(-2x + 10)

• x = -6
• x = 4
• x = 3
• x = -5

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

If a system of linear equations has infinitely many solutions, what does this mean about the two lines? 

• Intersecting lines
• Identical lines
• Parallel lines

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

Solve    
2x² + 7x - 15 = 0

• -1.5 or 5
• No Solution
• -5 or 1.5
• 0.7 or 5

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

4x+8y=20
-4x+2y=-30

• (-7,1)
• (2,-5)
• (-2,5)
• (7,-1)

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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

Solve Using the Quadratic Formula

x² + 4x - 40 = -8

• -10 & -4

• -8 & 4

• -4 & 10

• 8 & -4

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

Solve:
C = 2πr, for r

• C/(2π) = r
• C + 2π = r
• C - 2π = r
• 2πC = r

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

Solve for x.

• 37.5

• 11

• 118

• 15

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