exam Maths Puzzle Numerical Ability

Scetch the graph of the quad function. Give the vertex and axis of symmetry.
f(x)=x2-2x-8

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exam Other Question

Wont someone please help me???

How do you know if a value is a solution for an inequality? How is this different from determining if a value is a solution to an equation? If yo
Question: x^2+26x=-68

This is the answer that I got, is it correct?

x =-13 ±√101