lesson
Solving Quadratic Equations with Rational Roots
Solve quadratic equations that have rational roots using factorisation and the null factor law.

Solve quadratic equations that have rational roots using factorisation and the null factor law.
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9th Grade · Math · Australian Curriculum
7 lessons
Solve quadratic equations by factorising and numerical methods, including equations with rational, irrational, and no real roots, and apply quadratics to real-world problems.
identify and graph quadratic functions, solve quadratic equations graphically and numerically, and solve monic quadratic equations with integer roots algebraically, using graphing software and digital tools as appropriate