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What is the solution to the following system of equations? y = -x2 - 5x - 4 y = -x2 + 9x - 18 (2 points) (-1, -10) (1, -10) (-1, 10) (1, 10)
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What is the solution to the following system of equations? y = -x2 - 5x - 4 y = -x2 + 9x - 18 (2 points) (-1, -10) (1, -10) (-1, 10) (1, 10)
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Apr 23, 2017
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What is the solution to the following system of equations?
y = -x2 - 5x - 4
y = -x2 + 9x - 18 (2 points)
(-1, -10)
(1, -10)
(-1, 10)
(1, 10)
Mathematics
high-school
Bathri Nathan
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Bathri Nathan
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Answer:
It's B
Explanation:
Alex Chengalan
answered
Apr 26, 2017
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Alex Chengalan
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The answer is (1,-10)
You solve this by equating the two equations:
-x2 -5x -4 = -x2 +9x -18
-14x = -14
x =1
You then substitute 1 to either of the equations to find y:
y = -(1)2 -5(1) -4
y = -10
Therefore, the solution is (1,-10)
Eli Berkow
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Apr 28, 2017
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Eli Berkow
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