TEKS.MATH.9-12.II.A

In a certain game, a player can solve easy or hard puzzles.  A player earns 30 points for solving an easy puzzle and 60 points for solving a hard puzzle.  Tina solved a total of 50 puzzles playing this game, earning 1,950 points in all.  How many hard puzzles did Tina solve?

• 10
• 15
• 25
• 35

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TEKS.MATH.9-12.II.A

Find the sum.
(3y² + y³ - 5) + (4y² -4y + 2y³ + 8)

• 3y³ + 7y² - 4y + 3
• 4y² + 3y³ - y + 3
• -y⁴ + 2y³ -y - 4
• 4y³ + 3y² -3y + 1

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TEKS.MATH.9-12.II.A

Given the sequence:
 25, 21, 17, 13,...
Write the explicit equation that models the sequence.  (Hint:  Simplify your equation.)

• a_n = 4n + 29
• a_n = -4n + 25
• a_n = -4n + 29
• a_n = 4n + 25

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TEKS.MATH.9-12.II.A

Factor
k²+7x+10

• (k+2)(k+5)
• (k-2)(k-5)
• (k+10)(k+4)
• (k+2)(k-5)

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TEKS.MATH.9-12.II.A

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.II.A

What is the y-intercept in the following equation:  y=-4x-5

• -4
• 4
• 5
• -5

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TEKS.MATH.9-12.II.A

Write equation of the line containing (3,2) and (4,4)

• y = 1/2x + 2

• y = 2x - 4

• y = 1/2x + 4 1/2

• y = -2x + 12

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TEKS.MATH.9-12.II.A

The point (3,3) is on a circle whose center is at (-1,3). Write the standard form of the equation of the circle.

• (x-3)²+(y-3)²=4

• (x-3)²+(y-3)²=16

• (x+1)²+(y-3)²=9

• (x+1)²+(y-3)²=16

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TEKS.MATH.9-12.II.A

The equation of a circle is x² + y² + 6x - 12y + 20 = 0. Write the equation in standard form.

• (x - 3)² + (y + 6)² = 25

• (x + 3)² + (y - 6)² = 25

• (x - 3)² + (y + 6)² = 45

• (x + 3)² + (y - 6)² = 5

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TEKS.MATH.9-12.II.A

If  $f\left(x\right)\ =\ 3x^2-4$ and $g\left(x\right)=x^2-8x+4$ , then  $\left(f\cdot g\right)\left(x\right)=$ 

•  $3x^4-24x^3+8x^2+32x-16$  

•  $3x^4-8x-16$  

•  $3x^4-24x^3+8x^2-32x-16$  

•  $3x^4-24x^3+16x^2+32x-16$  

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TEKS.MATH.9-12.II.A