merasionalkan bentuk akar 9H

merasionalkan bentuk akar 9H

8th Grade

10 Qs

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merasionalkan bentuk akar 9H

merasionalkan bentuk akar 9H

Assessment

Quiz

Mathematics

8th Grade

Hard

Created by

Wahyuni Ainin

Used 89+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 Bentuk rasional dari 1a adalah.Bentuk\ rasional\ dari\ \frac{1}{\sqrt{a}}\ adalah….  

a

 a\sqrt{a}  

 1a\frac{1}{a}  

 aa\frac{\sqrt{a}}{a}  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 Bentuk rasional dari  55 adalah.Bentuk\ rasional\ dari\ \ \frac{5}{\sqrt{5}}\ adalah….  

 155\frac{1}{5}\sqrt{5}  

 5\sqrt{5}  

 555\sqrt{5}  

 55  

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 Bentuk rasional dari 3ab adalah.Bentuk\ rasional\ dari\ \frac{3}{\sqrt{a}-\sqrt{b}}\ adalah….  

 3(a+b)ab\frac{3\left(\sqrt{a}+\sqrt{b}\right)}{a-b}  

 3(a+b)a+b\frac{3\left(\sqrt{a}+\sqrt{b}\right)}{a+b}  

 3(ab)3\left(a-b\right)  

 3(ab)3\left(\sqrt{a}-\sqrt{b}\right)  

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 Bentuk rasional dari 23+2 adalah.Bentuk\ rasional\ dari\ \frac{2}{\sqrt{3}+\sqrt{2}}\ adalah….  

 2(32)2\left(\sqrt{3}-\sqrt{2}\right)  

 2(23)2\left(\sqrt{2}-\sqrt{3}\right)  

 3(32)3\left(\sqrt{3}-\sqrt{2}\right)  

 3(23)3\left(\sqrt{2}-\sqrt{3}\right)  

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 5+353 = ...\frac{\sqrt{5}+\sqrt{3}}{\sqrt{5}-\sqrt{3}}\ =\ ...  

 5+3\sqrt{5}+3  

 53\sqrt{5}-3  

 8+2158+2\sqrt{15}  

 4+154+\sqrt{15}  

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 10310+3 = ...\frac{\sqrt{10}-\sqrt{3}}{\sqrt{10}+\sqrt{3}}\ =\ ...  

 352\frac{3-\sqrt{5}}{2}  

 3+52\frac{3+\sqrt{5}}{2}  

 252\frac{2-\sqrt{5}}{2}  

 2+52\frac{2+\sqrt{5}}{2}  

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 37+147 = ...\frac{3\sqrt{7}+14}{\sqrt{7}}\ =\ ...  

 3273-2\sqrt{7}  

 3+273+2\sqrt{7}  

 2372-3\sqrt{7}  

 2+372+3\sqrt{7}  

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