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

What is the axis of symmetry of y=2x²-4x+9?

• x = 1
• x = -1
• x = -2
• x = 4

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

If a system of equations has no solution, what does the graph look like? 

• intersecting lines
• parallel lines
• skew lines
• intersecting lines

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

Find the missing angle.  Find x.

• 20^o
• 70^o
• 160^o
• 180^o

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

The figure is a parallelogram.  
Solve for x.  

• 1
• 11
• 7
• 6

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

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

• Intersecting lines
• Same line
• Parallel lines

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

Identify the equation for a circle with a center of (-3, 6) and a radius of 11.

• (x - 3)² + (y + 6)²=11
• (x - 3)² + (y + 6)² =121
• (x + 3)² + (y - 6)² =121
• (x + 3)² + (y - 6)² =11

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

If given the equation
y = 3(x + 5)² - 4,
what is the vertex of the parabola?

• (5, -4)
• (-5, -4)
• (-15, -4)
• (15, -4)

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

What are the coordinates of the center and the radius of the circle with equation:
(x - 4)² + (y - 3)² = 25 ?

• Center (4,3)
  Radius = 5 units
• Center (4,3)
  Radius = 25 units
• Center (-4,-3)
  Radius = 25 units
• Center (-4,-3)
  Radius = 5 units

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

What is the equation of this graph?

• f(x) = (x -5)² + 1
• f(x) = (x - 1)² - 5
• f(x) = (x + 1)² - 5
• f(x) = (x + 5)² +1

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

What is π ? (Best Choice)

• The ratio of the circumference of any circle to its diameter.
• Exactly 3.14
• Exactly 3.1415
• Exactly 3.141593

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