Equation and Graph
Two lines, one shared point · Degree 2, two values · Graphs and factorization
Draw two equations and read their shared solution
Turn a word problem into two equations
Recognise the degree of an equation
Solve a quadratic equation by factorization
In \( x + y = 12 \), 2 oranges means 10 guavas
5 oranges means 7 guavas
Every pair lands on the same straight line
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