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LET’S PRACTICE!
#1. Which of the following is a prime number?
#2. Solve for x: 3x + 5 = 20.
#3. Simplify: 5(2x – 3) =
#4. Simplify: (x² · x³) =
#5. Which is the slope of the line y = −4x + 7?
#6. What is the area of a triangle with base = 10 and height = 6?
#9. Convert 25% to a decimal.
#10. A line segment has endpoints (2,3) and (6,11). What is its midpoint?
#11. Which is equivalent to x² – 9?
#12. Simplify: (3x²y)(2xy³) =
#13. If f(x) = 2x + 1, what is f(4)?
#14. Which is a solution to x² – x – 6 = 0?
#15. Convert ¾ to a percentage.
#16. What is the GCF of 24 and 36?
#17. What is the LCM of 4, 6, and 8?
#18. Simplify: (2/5) ÷ (4/15) =
#19. A circle has radius 5. What is its circumference (use π)?
#20. Simplify: 4(x – 2) – 3(x + 1) =
#21. If y varies directly as x and y = 12 when x = 3, what is y when x = 5?
#22. Solve inequality: 2x – 1 < 7.
#24. What is the volume of a rectangular prism 3×4×5?
#25. Simplify: (x³)/(x) =
#26. A bag contains 3 red, 4 blue, 5 green marbles. Probability of blue?
#27. If angle A = 60° and angle B = 30° in a triangle, angle C = ?
#28. Solve: 5x – 7 = 3x + 1.
#29. Which of the following is an irrational number?
#30. Simplify: (x + 2)(x + 3) =
#31. What is the 25th percentile of {2,4,6,8,10,12,14,16}?
#32. Solve for x: 2(x – 3) + 4 = 10.
#33. If y = x², what is Δy when x goes from 2 to 3?
#34. Convert 110° Fahrenheit to Celsius: C = (°F – 32) ×5/9.
#35. Simplify: 9a²b³ / 3ab =
#36. Which is the equation of a horizontal line through (0,5)?
#37. A function is one‑to‑one if it passes what test?
#38. If ∠1 and ∠2 are supplementary and ∠1 = 110°, ∠2 = ?
#39. Simplify: 7 – 2(x + 3) =
#40. What is the median of {3,7,8,12,13}?
#41. If a sequence starts 2,5,8,11…, what is the 10th term?
#42. Simplify expression: 4x – 3x + 8 =
#44. In right triangle with legs 3 and 4, hypotenuse = ?
#46. Simplify: (a²b⁰)(3ab) =
#47. Convert 0.625 to fraction.
#48. If a rectangle has perimeter 20 and width 3, length = ?
#49. Solve: (x – 1)² = 9.
#50. Simplify: 2³ + 2² – 2 =