8. Basic Solving Quadratics by Square Roots

8. Basic Solving Quadratics by Square Roots

9th - 12th Grade

11 Qs

quiz-placeholder

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8. Basic Solving Quadratics by Square Roots

8. Basic Solving Quadratics by Square Roots

Assessment

Quiz

Mathematics

9th - 12th Grade

Medium

CCSS
8.EE.A.2, HSA-REI.B.4B

Standards-aligned

Created by

Alyson Stiles

Used 2+ times

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11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Solve:  k2=16k^2=16  

 k=4k=-4  

 k=4k=4  and  k=4k=-4  

 k=4k=4  

No solution

Tags

CCSS.8.EE.A.2

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Solve:  a2=4a^2=4  

 a=2a=2  and  a=2a=-2  

 a=2a=2  

No solution

 a=2a=-2  

Tags

CCSS.8.EE.A.2

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Solve:  x2+8=28x^2+8=28  

No solution

 x=±45x=\pm4\sqrt{5}  

 x=±6x=\pm6  

 x=±25x=\pm2\sqrt{5}  

Tags

CCSS.8.EE.A.2

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Solve:  m2+7=88m^2+7=88  

 m=±95m=\pm\sqrt{95}  

No solution

 m=±9m=\pm9  

 m=±222m=\pm2\sqrt{22}  

Tags

CCSS.8.EE.A.2

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Solve:  n25=4n^2-5=-4  

 n=1n=1  and  n=1n=-1  

 n=±3n=\pm3  

 n=1n=1  

No solution

Tags

CCSS.8.EE.A.2

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Solve:  x21=24x^2-1=24  

 x=±23x=\pm\sqrt{23}  

No solution

 x=±5x=\pm5  

 x=±26x=\pm2\sqrt{6}  

Tags

CCSS.8.EE.A.2

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Solve:  g2+1=19g^2+1=19  

 g=±25g=\pm2\sqrt{5}  

 g=±23g=\pm2\sqrt{3}  

No solution

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

Tags

CCSS.8.EE.A.2

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