exam Maths Puzzle Numerical Ability

What is the vertex? How do you find the vertex? y=x^2+x-12

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exam Other Question

f (x) = x2to the second power 7x + 10; find (a) f (0), (b) f (5), and (c) f (-2). give a counterexample that demonstrates that the converse of the statement is false:
If Terry lives in Tampa, then she lives in Florida.