2 i − 5 i + 10 2i-5i+10 2 i − 5 i + 1 0

− 5 i + 10 -5i+10 − 5 i + 1 0

( 7 + 2 i ) ( 9 − 6 i ) \left(7+2i\right)\left(9-6i\right) ( 7 + 2 i ) ( 9 − 6 i )

75 − 24 i 75-24i 7 5 − 2 4 i

51 − 24 i 51-24i 5 1 − 2 4 i

63 − 24 i 63-24i 6 3 − 2 4 i

− 108 \sqrt{-108} − 1 0 8 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

6 i 3 6i\sqrt{3} 6 i 3 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

3 i 6 3i\sqrt{6} 3 i 6 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

3 i 20 3i\sqrt{20} 3 i 2 0 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

20 i 3 20i\sqrt{3} 2 0 i 3 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

− 10 + 6 i − 6 + 8 i \frac{-10+6i}{-6+8i} − 6 + 8 i − 1 0 + 6 i

27 + 11 i 25 \frac{27+11i}{25} 2 5 2 7 + 1 1 i

− 10 + 6 i -10+6i − 1 0 + 6 i

NUMERE COMPLEXE

Authored by Parascovia Gîncota

Mathematics

11th Grade

Used 14+ times

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13 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$2i-5i+10$

$-5i+10$

$9i+10$

$5i$

$5i+10$

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

$\left(7+2i\right)\left(9-6i\right)$

$75-24i$

$51-24i$

$63-24i$

$58+60i$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$\sqrt{-25}$ =

-5i

-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$\sqrt{-108}$

$3i\sqrt{6}$

$6i\sqrt{3}$

$3i\sqrt{20}$

$20i\sqrt{3}$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$3i-\left(4+7i\right)$

-4+10i

4-10i

21-12i

-4-4i

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

$\left(5-2i\right)+\left(-7+8i\right)$

$-2+6i$

$-35-16i^2$

$12+6i$

$-35-16i$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$\left(2i\right)\left(3i\right)$

-5

-6

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$(3i)\left(-2+4i\right)$

-6+12i

-2+7i

-12-6i

12+6i

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

$\left(4-3i\right)\left(7+2i\right)$

22-13i

34-13i

28-19i

-34-29i

10.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$i^{52}$

-1

-i

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NUMERE COMPLEXE

2i−5i+102i-5i+102i−5i+10

(7+2i)(9−6i)\left(7+2i\right)\left(9-6i\right)(7+2i)(9−6i)

−25\sqrt{-25}−25​ =

−108\sqrt{-108}−108​

3i−(4+7i)3i-\left(4+7i\right)3i−(4+7i)

(5−2i)+(−7+8i)\left(5-2i\right)+\left(-7+8i\right)(5−2i)+(−7+8i)

(2i)(3i)\left(2i\right)\left(3i\right)(2i)(3i)

(3i)(−2+4i)(3i)\left(-2+4i\right)(3i)(−2+4i)

(4−3i)(7+2i)\left(4-3i\right)\left(7+2i\right)(4−3i)(7+2i)

i52i^{52}i52

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Discover more resources for Mathematics

$2i-5i+10$

$\left(7+2i\right)\left(9-6i\right)$

$\sqrt{-25}$ =

$\sqrt{-108}$

$3i-\left(4+7i\right)$

$\left(5-2i\right)+\left(-7+8i\right)$

$\left(2i\right)\left(3i\right)$

$(3i)\left(-2+4i\right)$

$\left(4-3i\right)\left(7+2i\right)$

$i^{52}$