exam Maths Puzzle Numerical Ability

How do you find the vertex of this quadratic equation?
y=x^2+6x+8

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exam Other Question

Suppose 3 mushrooms in a mushroom are located as shown. Make a large copy of the diagram and draw triangle ABC. Each unit on your coordinate grid should represent 1 foot.
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is this equation an identity, a conditional equation, or an inconsistant equation?


1 + 2 = -2
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x+5 x+3 x2+8x+15