Year 10
Higher
Solve where xy = a and y = 2x + 1 (substituting)
Year 10
Higher
Solve where xy = a and y = 2x + 1 (substituting)
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Lesson details
Key learning points
- In this lesson, we will solve simultaneous equations using substitution. You need to be confident in solving quadratics by factorisation and by the quadratic formula before starting this lesson.
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3 Questions
Q1.
A
C
Q2.
A
C
Q3.
A
B
3 Questions
Q1.
A
C
Q2.
A
B
Q3.
B. Use the quadratic formula
C. Write her answers in surd form