Find the gradient of the line x^2 + 3x - 6 at the point (5,34)
Differentiate: 2x + 3.Substitute for x=5: 2(5) + 3Answer =13.
DD
Related Further Mathematics GCSE answers
All answers ▸Prove that tan^2(x)=1/(cos^2(x))-1
x^3 + 2x^2 - 9x - 18 = (x^2 - a^2)(x + b) where a,b are integers. Work out the three linear factors of x^3 + 2x^2 - 9x - 18. (Note: x^3 indicates x cubed and x^2 indicates x squared).
Use the factor theorem to show that (x-1) is a factor of x^3 - 3x^2 -13x + 15
Factorise the following quadratic x^2 - 8 + 16