Math & Statistics Refresher Practice Problems

All 30 problems

1. Derivative of a Cubic Function at a Point · Easy
2. Definite Integral of a Polynomial · Easy
3. Equation of a Line Through Two Points · Easy
4. Dot Product of Two 3D Vectors · Easy
5. Arithmetic Mean of a Data Set · Easy
6. Sample Standard Deviation of Three Values · Easy
7. Z-Score from Mean and Standard Deviation · Easy
8. Expected Value of a Risky Project · Easy
9. Roots of a Quadratic Equation · Easy
10. Slope of a Least-Squares Line · Medium
11. Binomial Probability of Defective Items · Medium
12. Joint Probability of Two Events · Easy
13. Normal Distribution Tail Probability · Medium
14. Least-Squares Line Slope from Data · Medium
15. Area Under a Parabola by Integration · Easy
16. Distance Between Two Points · Easy
17. Normal Probability of Cylinder Strength · Medium
18. Magnitude of a Resultant Force Vector · Easy
19. Solve a 2x2 Linear System by Elimination · Easy
20. Solve a 2x2 System with Fractional Answer · Medium
21. Solve a 3x3 Linear System for z · Medium
22. No-Solution Condition for a Linear System · Hard
23. Circle Center and Radius from Equation · Easy
24. Center and Radius from Circle Equation · Medium
25. Radius of a Scaled Circle Equation · Medium
26. Area Enclosed by a Circle Equation · Hard
27. Tangent Line to a Parabola · Easy
28. Tangent Line to a Circle at a Point · Medium
29. Tangent Line to a Square Root Curve · Medium
30. Tangent to an Offset Circle at a Point · Hard