exam Maths Puzzle Numerical Ability

What is the graph of the equation x2 + 2x + 7 - y = 0?

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exam Other Question

Solve and check each of the following equations for x. This is easy and i think I am thinking to hard. Please help.
x/6 - x/8 = 1
Please help solve the following questions from ch. 5 exersie 5.1 question# thanks,
Sarah