exam Maths Puzzle Numerical Ability

3. What answer do you get when you evaluate this algebraic expression x(x - 1), given x = -4?

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exam Other Question

For f of x, f(x)=3(x-4)squared - 1 find the coordinates of the vertex, the equation of the axis of symmetry, the x-intercepts(if any) and the y-intercept. True or False? The degree of a trinomial is never 4.