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Ann [662]
3 years ago
8

What are the solutions of the quadratic equation?

Mathematics
2 answers:
ANEK [815]3 years ago
8 0
In this proble, we are asked to determine the roots of the quadratic equation x^2 + 11 x = -24. The standard form is x^2 + 11 x + 24 = 0. the second term is the negative sum of the roots and the third terms is the equal to the product of the roots.Hence the roots should be -3 and -8.  
givi [52]3 years ago
6 0
A.-3, -8 (by using quadratic formula)
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Step-by-step explanation:

4 0
3 years ago
Use the substitution method to solve the system of equations. Choose the correct ordered pair. x + y = 11 -x = -y - 9
suter [353]
x+y=11 \\
-x=-y-9 \\ \\
\hbox{substitute the second equation by -1} \\ \\
x+y=11 \\
x=y+9 \\ \\
\hbox{substitute y+9 for x in the first equation} \\ \\
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y=1 \\ \\
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x=1+9 \\
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The answer is B.
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3 years ago
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