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Solving an absolute value equation by creating two cases with only one solution

Learn how to solve absolute value equations with multiple steps. Absolute value of a number is the positive value of the ...
Opinion
YouTube on MSNOpinion

Completing the square by creating a fraction to graph a quadratic in vertex form

👉 Learn how to graph quadratic equations by completing the square. A quadratic equation is an equation of the form y = ax^2 + bx + c, where a, b, and c are constants. The graph of a quadratic ...
BBC

Creating and solving simultaneous equations

Mr and Mrs Smith take their two children to the cinema. The total cost is £33. Mr Jones takes his three children to the cinema and the total cost is £27.50. Calculate the price of a child's ticket and ...