GCSE Maths Practice: substitution

Question 2 of 10

This question helps practice substitution with negative numbers and combining terms.

\( \text{Evaluate } x^2y + yz^2 \text{ when } x = 2, y = 1, z = -2 \)

Choose one option:

Square each term first, then multiply by the coefficient. Pay attention to negative signs.

When squaring negative numbers, the result is positive. Multiply carefully and then sum the results.