Practice Substitution Method (2.1) - Simultaneous Equations - IB 10 Mathematics – Group 5, Algebra
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Substitution Method

Practice - Substitution Method

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Solve using substitution: x + y = 5, y = 2.

💡 Hint: Substitute y's value into the first equation.

Question 2 Easy

Given y = 2x + 3, find y when x = 1.

💡 Hint: Plug x into the y equation.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the first step in the substitution method?

Rearranging one equation
Adding two equations
Graphing the equations

💡 Hint: Think about what we need before we can substitute.

Question 2

Can the substitution method be used for nonlinear equations?

True
False

💡 Hint: Remember, substitution just involves solving for variables.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Solve the system using substitution: 2x + 3y = 6 and y = 4 - x.

💡 Hint: First, express y from the second equation and substitute into the first.

Challenge 2 Hard

Show how many solutions exist: x + 2y = 4 and 2x + 4y = 8.

💡 Hint: First, simplify the second equation to see if it matches the first.

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