find the roots of this following equation: 2x^2+18x+36
Factorisation question: Simplify equation as each function is divisible by 2 then factorise to find roots, roots must = x value when added roots must = constant when multiplied
JH
Related Maths GCSE answers
All answers ▸There is a quarter circle with radius 8cm, what is the area of the quarter circle. The answer should be given in terms of pi, units are cm^2.
Functions f and g are such that f(x) = x^2, g(x) = x-3. Solve gf(x)=g^-1(x)
Re-arrange (3x+y)/2 = x+z making x the subject.
ABC, DEF and PQRS are parallel lines. BEQ is a straight line. Angle ABE = 60° Angle QER = 80° Work out the size of the angle marked x. Give reasons for each stage of your working.