Question

solve the given inequation and the graph the solution on the number line.

2y - 3 ≤ y + 1≤ 4y +7; y € R.​

Answer 1

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x2 + 4x + (4) + y2 - 6y + (9) = 12 + 4 + 9

Now factor your two perfect square trinomials and add up all the loose numbers on the right.

(x + 2)2 + (y - 3)2 = 52  (Turned the 25 into 5-squared for the next step.  You should do this too)

This looks like:

(x - h)2 + (y - k)2 = r2

You should be able to pull the correct center coordinates and radius from there.