1
What must be added to x² + 6x to make it a perfect square?
(A) 3 (B) 6 (C) 9 (D) 12
Answer: (C) 9
Express 329,761 to the nearest thousand.
Answer: 300,000
Evaluate
(9½ × 27⅔ ) ÷ 64⅔
Answer: 1¹¹/16 or 27/16
What is the cardinality of the set {I, j, k, l} ?
Answer: 4
Solve the equation Cos 7θ = Sin 5θ
(A) 7° (B) 7.5° (C) 8° (D) 8.5°
Answer: (B) 7.5°