TEKS.MATH.9-12.II.C

Find the inverse of y = 3x +8

• f^-1(x) = 3x - 8/3
• f^-1(x) = 8/3x - 1/3
• f^-1(x) = 1/3x - 8/3
• f^-1(x) = 1/3x + 8/3

Tags

TEKS.MATH.9-12.II.C

Solve the equation: 
4 - 2(x - 3) = 24

• - 7
• 7
• 14
• - 14

Tags

TEKS.MATH.9-12.II.C

Solve on the domain [0, 2π)
2sin x cos x = √2 cos x

• π/2, 3π/2
• 0, π/4, 3π/4
• π/2, 3π/2, π/4, 3π/4
• No solution

Tags

TEKS.MATH.9-12.II.C

The mean of four numbers is 71.5. If three of the numbers are 58, 76, and 88, what is the value of the fourth number?

• 64
• 55
• 48
• 60

Tags

TEKS.MATH.9-12.II.C

Which of the following is NOT a method to solve systems?

• Elimination
• Distribution
• Substitution
• Graphing

Tags

TEKS.MATH.9-12.II.C

Which of these is equivalent to 2cos²x − 3cosx = 0 ?

• -cos²x = 0

• cosx(2cosx + 3) = 0

• cosx(2cosx − 3) = 0

• cos x = ⅔

Tags

TEKS.MATH.9-12.II.C

Solve:

3x - 4y = 26

2x - 4y = 20

• x = 6

  y = -2

• x = -6

  y = -2

• x = -6

  y = 2

• x = 6

  y = 2

Tags

TEKS.MATH.9-12.II.C

A recipe called for the ratio of sugar to flour to be 10:3. If you used 50 ounces of sugar, how many ounces of flour would you use?

• 21

• 15

• 13

• 120

Tags

TEKS.MATH.9-12.II.C

pV = nRT

solve for R

• R= p/n + V/T

• R= pV - nT

• R= (pV-n)/T

• R=pV/nT

Tags

TEKS.MATH.9-12.II.C

Solve the following equation:

3| −8x| + 8 = 80

• {−7/3, 7/3}

• {−3, 3}

• {11/3, −11/3}

• No Solution

Tags

TEKS.MATH.9-12.II.C