exam Maths Puzzle Numerical Ability

Rewrite the equation to standard form?
-16x^2-128x+12y^2-48y-400

Read Solution (Total 0)

exam Other Question

Please help me on how to figure out the y-intercept of the graph of the equation y=x2 (this is x squared) 6x = 9 and -3/2 (x-6)2 (squared). For f(x) = 1/x^2 -2x -8, find the interval(s) where f(x) < 0.

possible answers:
(-4,2)
(-2,4)
(2,4)
(2,8)

Pleeze show me. Thank you.