Write 5x^2 + 30x + 36 in the form 5(x+A)^2+B where A and B are integers to be found.Then write the equation of symmetry for the graph of 5x^2 + 30x + 36
-Take factor of 5 out as seen in question.-Expand the brackets-Then draw a sketch of the graph -Then understand what type of graph it is and what it means about the line of symmetry.
Related Maths A Level answers
All answers ▸Find the derivative of x^x
Find the tangent to the curve y=x^2 +2x at point (1,3)
Solve x^2 + 8x +3 = 0 by completing the square.
The region R is bounded by the curve y=sqrt(x)+5/sqrt(x) the x-axis and the lines x = 3, x = 4. Find the volume generated when R is rotated through four right-angles about the x-axis. Give your answer correct to the nearest integer.