exam Maths Puzzle Numerical Ability

Identify the axis of symmetry, create a suitable table of values, then sketch the graph (including the axis of symmetry). {{{y=x^2+2x-3}}}

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My father-in-law used to have a garden in our backyard. We worried about him weeding the whole garden by himself so we usually sent one of our children out to help. Now, if my son Find 4 solutions for each equation, write the solution as ordered pairs, then graph them.
2x+y=7
and
x-2y=-1

thanks you! (=