TEKS.MATH.9-12.II.C

How many x-intercepts will the equation: 8x^2 = + 8x - 2 have?

• 1
• 2
• 3
• none

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TEKS.MATH.9-12.II.C

Write equation of the line containing (2,6) and (3,1)

• y = 5x - 14
• y = -5x - 14
• y = -5x + 16
• y = -5x + 6

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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

A rental company at Best Bargain Rental costs $150 a week, plus $0.10 per mile.  Which equation represents the relationship between the number of miles (x) and the total cost in dollars (y) for a 2- week period?

• y = 2(150)(0.10x)
• y = 2(150) + 0.10x
• y = 150 + 2(0.10x)
• y = 2(150 + 0.10x)

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TEKS.MATH.9-12.II.C

2x < -3x + 15

• x > 3
• x > 15
• x < 3
• x < 15

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TEKS.MATH.9-12.II.C

Solve for x:

• 13.5
• 15.5
• 22
• 2.8

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TEKS.MATH.9-12.II.C

Calculate the percentage loss if an item is bought for $70 and sold for $49

• 42.9%
• 70%
• 30%
• 35%

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TEKS.MATH.9-12.II.C

Jack wants to buy a Wii that costs $284. He has $80 and plans to save $25.50 each week. Which equation would represent this situation?

• 25.50w + 80 = 284

• 25.50 + 80w = 284

• 284 - 25.50 = 80w

• 25.50w + 284 = 80

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TEKS.MATH.9-12.II.A

TEKS.MATH.9-12.II.C

When in standard form, what is the value of a, b and c in this quadratic?

8x² + 3x - 6 = 3x

• a = 8 b = 0 c = -6

• a = 8 b = 6 c = -6

• a = 8 b = -6 c = 0

• a = 8 b = 3 c = -6

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TEKS.MATH.9-12.II.C

Which is the best method to use?

y = 6x − 11

−2x − 3y = −7

• Graphing

• Substitution because a variable is isolated.

• Elimination because both equations are in standard form.

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

TEKS.MATH.9-12.II.C