exam Maths Puzzle Numerical Ability

Find the axis of symmetry.
y = x^2 - x + 10
I am unsure of how to start this problem

Read Solution (Total 0)

exam Other Question

Find 4 consecutive even integers such that the sum of the second and fourth is 76. Help is greatly appreciated. Thank You. The worker on machine A can complete a certain job in 6 hours. The worker on machine B can do the same job in 4 hours. In a rush situation, how long would it take both machines to complete the job???