GCSE Maths Practice: simultaneous-equations

Question 2 of 10

Solve simultaneous equations where one equation is linear and the other quadratic.

\( \text{Solve: } 4 \times x + y = 20, y = x^2 - 1 \)

Choose one option:

Always check which solution matches the answer options provided.

Substitute the quadratic expression for y into the linear equation, solve for x, then find y.