TEKS.MATH.9-12.II.C

What is the value of a if 
(2a + 3)-(4a-8)=7?

• 1
• 10
• 4
• 2

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TEKS.MATH.9-12.II.C

Twenty years ago, Mr. Davis purchased his home for $160,000. Since then, the value of the home has increased about 5% per year. How much is the home worth today?

• $176,783.29
• $424,527.63
• $57,357.75
• $532,041,076.80

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

TEKS.MATH.9-12.II.C

This system has _____ solutions

• 0
• 1
• 2
• Infinitely many

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TEKS.MATH.9-12.II.C

Is the solution below correct?
5d = 2d - 18
-2d   -2d
3d = -18
d = 6

• Yes
• No

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TEKS.MATH.9-12.II.C

x + 4 < 4

• x < 0
• x >0
• x < 8
• x > 8

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TEKS.MATH.9-12.II.C

What are the x- intercepts?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

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TEKS.MATH.9-12.II.C

Write an inequality for Graph 4.

• -2 < x < 5
• x < -2 or x > 5
• x ≥ -2 OR x < 5
• -2 ≤ x ≤ 5

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TEKS.MATH.9-12.II.C

Can 0 be a root of a quadratic equation?

• Yes. Possible
• No. Not posssible

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TEKS.MATH.9-12.II.C

Graphically, the pair of equations 6x – 3y + 10 = 0 , 2x – y + 9 = 0 represents two lines which are

• intersecting at exactly one point
• intersecting at exactly two points.
• coincident. 
•  parallel.

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TEKS.MATH.9-12.II.C

Solve for 0≤x≤2π

2cos²x + cosx = 0

• π/2, 3π/2

• 0, π,2π

• 2π/3, 4π/3

• π/3, 5π/3

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TEKS.MATH.9-12.II.C