ACT Exams- Math Difficult 1 By Jane Eastwood | 1. If a bank offers an interest rate of 4.5% compounded monthly, what is the equivalent annual interest rate? A) 4.5% B) 5% C) 4.75% D) 5.25% 2. Simplify: (-3x – 5) / (2x – 1) A) -3/2 – 5/2x + 1 B) -3/2 + 5/2x – 1 C) -3/2x + 5/2 – 1 D) -1.5 – 2.5/x 3. A circle has circumference C = 2πr. If the radius is tripled, what is the new circumference? A) 6πr B) 3C C) 2C D) C 4. A normal distribution has mean μ = 50 and standard deviation σ = 10. What percent of the data is between 40 and 60? A) 34.1% B) 50% C) 68.3% D) 84.1% 5. If 3x – 2y = 12, and x – 2y = 6, then x = ? A) 6 B) 4 C) 9 D) 3 6. Evaluate: lim_{x to 4} (2x^2 – 8x + 12) A) 24 B) 16 C) 12 D) 8 7. 7. Given: f(x) = x^2. Find f(-3). A) 9 B) -9 C) 3 D) -3 Loading … Question 1 of 7 Posted in Other
