exam Maths Puzzle Numerical Ability

Solve: x^2 - 4x - 1=0 by completing the square.

Read Solution (Total 0)

exam Other Question

Subtract then simplify

(2 square root 18) - (4 square root 2)

Any help please?
Find the vertex, focus, and directrix of the graph of the equation:

-20(x+2)= (y+3)^2