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parcial 2

Authored by Carlos Mesa

Mathematics

University

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parcial 2
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22 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Realice la siguiente operaciones dando el resultado en números decimales.

 (12)+(3+18)(628)\left(1-\sqrt{-2}\right)+\left(-3+\sqrt{-18}\right)-\left(6-2\sqrt{8}\right)  

 811.3137085 i8(28i)-8-11.3137085\ i\approx-8-\left(\sqrt{2}\cdot8i\right)  

 810.3137085i 8(28i)-8-10.3137085i\ \approx-8-\left(\sqrt{2}\cdot8i\right)  

2.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

 32i +(12+5i)\frac{\text{3}}{\text{2}}i\ +\left(\frac{1}{2}+5i\right)  

 12+132i\frac{1}{2}+\frac{13}{2}i  

 0.5+6.5i0.5+6.5i  

 12i+132\frac{1}{2}i+\frac{13}{2}  

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 (6i+8i)(4+2i)\left(6i+8i\right)\cdot\left(4+2i\right)  

 8+44i8+44i  

44+8i

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 (568i)(1410i)\frac{\left(56-8i\right)}{\left(14-10i\right)}  

 88378437i\frac{88}{37}-\frac{84}{37}i  

 8337i8435\frac{83}{37}i-\frac{84}{35}  

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 10+10i\sqrt{10+10i}  resultado en decimales

 (3,7)202,5°, (3,7)22,5°\left(3,7\right)_{202,5\degree},\ \left(3,7\right)_{22,5\degree}  

 (3,7)202,5°, (3,7)22,5°\left(-3,7\right)_{202,5\degree},\ \left(-3,7\right)_{22,5\degree}  

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 18m+m2+3218m+m^2+32  

(m+16)(m+2)

(-m+16)(-m-2)

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 (5c24+c2)\left(5c-24+c^2\right)  

 (c3)(c+8)\left(c-3\right)\left(c+8\right)  

 (c8)(c3)\left(c-8\right)\left(c-3\right)  

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