How many roots does the following equation have? 2x^2 + 4x +2 = 0
(b2 - 4ac)1/2 = 0 ---> 1 root
RB
Related Maths GCSE answers
All answers ▸Write x^2+4x-12 in the form (x+a)^2+b where a and b are constants to be determined.
Work out the increase in price from £1.50 to £2.00 as a percentage.
If the two shorter lengths of the triangle have sizes 4cm and 3cm, what is the length of the longest side?
Factorise (x+3)(x-8)