Solving Quadratics By Square Roots

Solving Quadratics By Square Roots

11th - 12th Grade

10 Qs

quiz-placeholder

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Solving Quadratics By Square Roots

Solving Quadratics By Square Roots

Assessment

Quiz

Mathematics

11th - 12th Grade

Medium

CCSS
8.EE.A.2

Standards-aligned

Created by

Gary Jones

Used 1+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Solve using square roots.
k2 - 6 = 43

k = √37
k = 37 or - 37
k = 7, k = -7
no solution

Tags

CCSS.8.EE.A.2

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Solve using square roots.
5b2 - 4 = 41

b = 9, b = -9
b = 3, b = -3
b = 8, b = -8
no solution

Tags

CCSS.8.EE.A.2

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Solve using square roots.
4m2 - 100 = 0

m=25, -25
m=96
m=5, -5
m=-96

Tags

CCSS.8.EE.A.2

4.

MULTIPLE CHOICE QUESTION

30 sec • 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

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve:  4x2=1124x^2=112  

No solution

 x=±27x=\pm2\sqrt{7}  

 x=±72x=\pm7\sqrt{2}  

 x=±63x=\pm6\sqrt{3}  

Tags

CCSS.8.EE.A.2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve:  3x2=63-3x^2=-63  

 x=±21x=\pm\sqrt{21}  

 x=±215x=\pm2\sqrt{15}  

 x=±66x=\pm\sqrt{66}  

No solution

Tags

CCSS.8.EE.A.2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 x2+81=0x^2+81=0  

 ±9\pm9   

 ±3i\pm3i  

 ±9i\pm9i  

no solution

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