exam Maths Puzzle Numerical Ability

Hello. Please help me ASAP- I need to turn this in quick. So I have a worksheet that says that I need to discriminate the solutions of the quadratic equation: x squared + 5x + 3 + a. How do I do it and what does the direction mean?

Thanks.

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exam Other Question
What is another name for a general quadrilateral? which of the following pairs of points both lie on the line whose equation is 3x-y=2 ?

a) (3,-2) & (1,5)
b) (2,4) & (3,7)
c) (2,4) & (1,5)
d) (2,-2) & (1,5)
e) (3,7) & (3,-2)