17(a)Algebraic Expressions FormulaeEasy2 marksc=4a2+2bFind the value of c when a=−2 and b=3.c=Grade answerSolutionGrading criteria
17(b)Algebraic Expressions FormulaeMedium4 marksy=x−52(x−3)Rearrange the formula to write x in terms of y.x=Grade answerSolutionGrading criteria