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The first three steps in determining the solution set of the system of equations, y = –x2 – 2x + 8 and y = 2x + 11, algebraically are shown in the table.
Which represents the solution(s) of this system of equations?

The first three steps in determining the solution set of the system of equations y x2 2x 8 and y 2x 11 algebraically are shown in the table Which represents the class=

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altavistard

All three of the steps shown are correct. Finish the solution by solving

0 = (x+1)(x+3). The solutions are x= -1 and x = -3.


Now subst. -3 for x in either of the given equations, to find the corresponding y.


Next, subst. -1 for x in either of the given equations, to find the corresponding y.



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