GRE Subject 2026 Practice Test Maths Numerical Analysis Free Quiz 1

1. What is numerical analysis?

A. Approximating mathematical problems B. Exact methods C. Symbolic computation D. Theory

2. When are numerical methods used?

A. Exact B. Theoretical C. When exact solutions are not possible D. Symbolic

3. What method uses the derivative for root-finding?

A. Bisection B. Newton-Raphson C. Secant D. Fixed-point

4. What method approximates the derivative using finite differences?

A. Secant B. Newton C. Bisection D. Fixed-point

5. What is the error in numerical methods?

A. Method B. Algorithm C. Error D. Approximation

6. What type of error is caused by limited precision?

A. Truncation B. Rounding C. Absolute D. Relative

7. What rule approximates integrals using trapezoids?

A. Simpson B. Midpoint C. Trapezoidal D. Gauss

8. What rule approximates integrals using parabolas?

A. Trapezoidal B. Midpoint C. Gauss D. Simpson's

9. What approximates derivatives using finite differences?

A. Integration B. Differentiation C. Interpolation D. Root-finding

10. What estimates values between known data points?

A. Interpolation B. Extrapolation C. Regression D. Smoothing