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My name is Ann [436]
3 years ago
14

I NEED HELP PLEASEEEE

Mathematics
2 answers:
Arisa [49]3 years ago
7 0

Answer:

30

Step-by-step explanation:

Semmy [17]3 years ago
5 0

Answer:

I think it is number 3 c sorry

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago
What is the solution set of the equation using the quadratic formula? x2+6x+10=0 {−3+2i,−3−2i} {−6+2i,−6−2i} {−3+i,−3−i} {−2i,−4
olga2289 [7]

Answer:

The solution set of the quadratic function x^{2}+6\cdot x +10 is \{-3+i,-3-i\} .

Step-by-step explanation:

Let be a second-order polynomial (quadratic function) is standard form and equalized to zero:

a\cdot x^{2}+b\cdot x + c = 0

Its roots can be determined by the Quadratic Formula in terms of its polynomial coefficients, which states that:

x_{1,2} = \frac{-b\pm\sqrt{b^{2}-4\cdot a\cdot c}}{2\cdot a}

Given that a = 1, b = 6 and c = 10, the roots of the polynomial are, respectively:

x_{1,2} = \frac{-6\pm \sqrt{6^{2}-4\cdot (1)\cdot (10)}}{2\cdot (1)}

x_{1,2} = -3\pm i

x_{1} = -3+i

x_{2} = -3 -i

The solution set of the quadratic function x^{2}+6\cdot x +10 is \{-3+i,-3-i\} .

8 0
3 years ago
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