TEKS.MATH.9-12.II.A

Write a rule for the following table:
x:      -2     -1     0     1     2     3
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y:       -3     0      3     6     9     12

• y = 3x -1
• y = 3 + 3x
• y = -3x -2
• y = x + 3

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TEKS.MATH.9-12.II.A

Speedy Boat Rental charges a $15 deposit fee plus $2 for each hour of use to rent a paddle boat.  Write an equation for C, the total cost, to rent the boat for h hours.

• h = 2C + 15
• C = 15h + 2
• h = 15C + 2
• C = 2h + 15

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TEKS.MATH.9-12.II.A

Write the Standard Equation for a circle with a center (-2,5) and radius 7

• (x+2)² + (y-5)² = 49
• (x+9)² + (y-6)² = 49
• (x+2)² + (y-5)² = 32

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TEKS.MATH.9-12.II.A

What is the equation of a circle whose diameter is 24 and whose center is at the origin? 

• x²+y²=125
• x²+y²=64
• x²+y²=144
• x²+y²=576

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TEKS.MATH.9-12.II.A

Find the inverse of y = -4x - 12

• f^-1(x) = 4x - 3
• f^-1(x) = -1/4x - 3
• f^-1(x) = 1/4x + 3
• f^-1(x) = -4x - 3

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TEKS.MATH.9-12.II.A

Write in logarithmic form:
8³ = 512

• log ₈ 512 = 3
• log ₃ 512 = 8
• log ₃ 5 = 512
• log ₈ 5 = 512

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TEKS.MATH.9-12.II.A

Write the equation for the line.

• y= -1x+3
• y= 4x+3
• y=(1/4)x+3
• y= -4x+3

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TEKS.MATH.9-12.II.A

What is the equation of the line perpendicular to y = -3x + 10 that passes through the point 
(0, -2).

• y = 1/3x - 2
• y = 1/3x + 2
• y = -3x - 2
• y = -3x 

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TEKS.MATH.9-12.II.A

Factor completely.

121x² - 49

• ( 11x - 7 ) ²

• ( 11x - 7 ) ( 11x - 7 )

• ( 11x + 7 ) ( 11x - 7 )

• ( 12x + 7 ) ( 12x - 7 )

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TEKS.MATH.9-12.II.A

A publishing industry report predicts that magazine subscriptions will drop by 10% each year. If this prediction is correct, then how many subscribers will a magazine with 98,000 subscribers have in 10 years? (Round to the nearest whole number if necessary).

• 34,170

• 16,348

• 7690

• 76,023

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TEKS.MATH.9-12.II.A