± 2 i 7 \pm2i\sqrt{7} ± 2 i 7 <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 5 \pm3i\sqrt{5} ± 3 i 5 <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">

Solving Quadratics by Taking the Square Root

Authored by DeAnna Anderson

Mathematics

9th - 12th Grade

CCSS covered

Used 105+ times

Solving Quadratics by Taking the Square Root

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10 questions

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MULTIPLE CHOICE QUESTION

3 mins • 1 pt

x² = 16

± 4

± 8

Tags

CCSS.8.EE.A.2

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

3x² = 12

± 2

± √12

± 4

Tags

CCSS.8.EE.A.2

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

-5x² = -50

± 5

± 10

± √10

-10

Tags

CCSS.8.EE.A.2

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

x² + 4 = 68

± 8

± √8

± 64

Tags

CCSS.8.EE.A.2

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Simplify √-4

$\pm2i$

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify √-28

-√28

-2i√7

$\pm2i\sqrt{7}$

28i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.RN.A.2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify √-45

$\pm3i\sqrt{5}$

3i√5

-i√45

45i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.RN.A.2

CCSS.HSN.RN.A.1

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