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 ▸Solve the simultaneous equations (1) x + 3y = 7 and (2) 2x + y = 4
1iii) Solve 7/2x^2+13/4x+1=2
How do you complete a square
Cylinder A has the volume 8π cm^3 and the height 2 cm. Cylinder B is a similar shape with a volume of 216 cm^3. i) find the linear scale factor. ii) find the surface area of cylinder B