Solve Quadratics by Square Roots

Solve Quadratics by Square Roots

10th - 12th Grade

10 Qs

quiz-placeholder

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Solve Quadratics by Square Roots

Solve Quadratics by Square Roots

Assessment

Quiz

Mathematics

10th - 12th Grade

Medium

CCSS
8.EE.A.2, HSA-REI.B.4B, HSN.CN.C.7

Standards-aligned

Created by

Amy Minton

Used 3+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve for x

 3x227=03x^2-27=0  

 x=4.9,4.9x=4.9,-4.9  

 x=9,9x=9,-9  

 x=3,3x=3,-3  

No solution

Tags

CCSS.8.EE.A.2

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Solve using square roots.

 k26=43k^2-6=43  

 k=37k=\sqrt{37}  

 k=37 ,37k=37\ ,-37  

 k=7,  k=7k=7,\ \ k=-7  

no solution

Tags

CCSS.8.EE.A.2

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Solve using square roots.

 4m2100=04m^2-100=0  

 m=5,5m=5,-5  

 m=96m=96  

 m=25,25m=25,-25  

 m=96m=-96  

Tags

CCSS.8.EE.A.2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve:  a2=4a^2=4  

 a=2a=2  and  a=2a=-2  

 a=2a=2  

 a=±2ia=\pm2i  

 a=2a=-2  

Tags

CCSS.8.EE.A.2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve:  7x2=217x^2=-21  

 x=±3x=\pm\sqrt{3}  

 x=±i3x=\pm i\sqrt{3}  

 x=±27x=\pm2\sqrt{7}  

 x=±14x=\pm\sqrt{14}  

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve for h.

 (h2)2=9(h-2)^2=9  

 h=5,1h=5,-1  

 h=5,5h=5,-5  

 h=5h=5  

 h=1h=-1  

Tags

CCSS.HSA-REI.B.4B

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve:  g2+1=19g^2+1=19  

 g=±25g=\pm2\sqrt{5}  

 g=±23g=\pm2\sqrt{3}  

 g=±3i2g=\pm3i\sqrt{2}  

 g=32g=3\sqrt{2}  and  g=32g=-3\sqrt{2}  

Tags

CCSS.8.EE.A.2

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