Higher
Solve where x² + y² = r and x + y = 3 (substituting)
In this lesson, we will solve simultaneous equations by substituting a linear equation into a quadratic equation. Examples include quadratics of the form x² + y² = r and x + y = 3, where r can be a square number.
Higher
Solve where x² + y² = r and x + y = 3 (substituting)
In this lesson, we will solve simultaneous equations by substituting a linear equation into a quadratic equation. Examples include quadratics of the form x² + y² = r and x + y = 3, where r can be a square number.
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Key learning points
- In this lesson, we will solve simultaneous equations by substituting a linear equation into a quadratic equation. Examples include quadratics of the form x² + y² = r and x + y = 3 where r can be a square number.
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3 Questions
Q1.
A
B
Q2.
B
C
Q3.
B
C
3 Questions
Q1.
A
C
Q2.
A
C
Q3.
A
B