TEKS.MATH.9-12.II.C

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.C

Find the 35th term in the arithmetic sequence: -10, -14, -18, -22, ...

• -216
• -148
• -146
• -150

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TEKS.MATH.9-12.II.C

Find a₂₆ in the arithmetic sequence: -15, -35, -55, -75, ...

• -515
• -490
• -535
• 460

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TEKS.MATH.9-12.II.C

Find a₂₀ in the arithmetic sequence: 5, 12, 19, 26...

• 145
• 144
• 142
• 138

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TEKS.MATH.9-12.II.C

Approximately what interest rate would be needed in order to grow an investment of $1,400 to $2,500 in 10 years if the interest was compound monthly?

• 5.96%
• 5.84%
• 5.81%
• 5.88%

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TEKS.MATH.9-12.II.C

Find the inverse of the equation

• 2^(x-9)+5=y
• 2^(x+9)-5=y
• 5^(x-9)-5=y

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TEKS.MATH.9-12.II.C

A = 2x² + 3x + 5
C = 3x² - 7x + 12
If A + B = C,
what must B equal?

• x² - 10x + 7
• 5x² - 4x + 17
• x² - 4x + 7
• 5x² - 10x + 17

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TEKS.MATH.9-12.II.C

Solve by factoring:
x² - 16 = 0

• 4
• -4
• -4, 4
• 16

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TEKS.MATH.9-12.II.C

Determine the values of

a, b, and c for

the quadratic equation:

4x² – 8x = 3

• a = 4, b = -8, c = 3

• a = 4, b = 8, c = 3

• a = 4, b =-8, c =-3

• a = 4, b = 8, c = -3

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TEKS.MATH.9-12.II.C

How many solutions will this quadratic equation x²+8x+16 has?

• 2 real solutions

• 2 imaginary solution

• 1 solution

• 3 solutions

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TEKS.MATH.9-12.II.C