exam Maths Puzzle Numerical Ability

Find the vertex for the graph of the quadratic function.

f(x) = x^2 � 11

Read Solution (Total 0)

exam Other Question

indicate whether each statement is true Always, Sometimes, or never.
a. If a triangle is obtuse, it is isosceles.
b. The bisector of the vertex angle of a scalene triangle is p I worked this out sqrt(3x+3)- 9 = 0; I came up with x=2 and checking the problem by plugging 2 in, I came up with 81 not = to 9. Can someone advise please?