RESTS ONRecognise whether an equation is linear from the power on its unknownsFOUNDATIONSSolve equations with unknowns on both sides by collecting them onto one sideCH 2Signed numbersCH 1Multiplication and divisionCH 1Decimal place valueCH 1Solve a one-step linear equationCH 2Highest common factorCH 1Use the sign and square status of the discriminant to decide the number and rational or irrational nature of real roots, factors and horizontal-axis interceptsFOUNDATIONSExpress a quadratic in completed-square form by extracting the leading coefficient and adding and subtracting the square of half the linear coefficientFOUNDATIONSTabulate a sequence by term number and term valueFOUNDATIONSInterpret f, f(x), image, preimage, rule, domain and co-domain; evaluate a function at a stated exact input and solve a simple equation of the form f(x)=cFOUNDATIONS