Pre College Algebra

 Which function represents the graph of f(x) = | x | translated 3 units to the right?

• g(x) = | x - 3 |
• g(x) = | x + 3 |
• g(x) = |x| - 3
• g(x) = |x| + 3

What is the domain of g(x) = -½ x² - 4 ?

• x > 0
• All real numbers
• x > -4
• x < -4

Which equation represents log₂(1/32) = -5

• 2^-5 = (1/32)
• 2^-5 = -32
• 2^-5 = 32
• 2^-5 = - (1/32)

Which value would you add to x² - 10x to complete the square?

• 5
• -5
• 25
• -25

Simplify     (- 1/125)^-2/3

• 1/25
• - 1/25
• 25
• -25

If f(x) = 2x -6 and g(x) = 12 - 6x, which statement is true?

• f ₒ g = g ₒ f
• 2 ( f ₒ g) = g ₒ f
• -2 ( f ₒ g ) = g ₒ f
• none of these

Solve 4y² + 7 = 0

• y = 7i/2
• y = - √7 /4
  y = - √7 / 4
• y = √7 / 4
• y = ± i√7/4

Which expression is not equivalent to the others?

• 2 log_b(5/3)
• log_b∛5²
• ⅓log_b25
• ⅔log_b5

Which equation represents 5^x = 625 in logarithmic form?

• log_x5 = 625
• log₅625 = x
• log_x625 = 5
• log₆₂₅x =5

Simplify  3 + i / 1 - 3i

• 9/10 + i
• i
• 3/10 + 7/10i
• 3/5 + i