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Ubahan langsung (cara mencari nilai k)

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

 0.14=k(0.2)0.14=k\left(0.2\right)  

a)

 0.140.2=k\frac{0.14}{0.2}=k  

b)

 0.14×0.2=k0.14\times0.2=k  

2.

 15=k(5)15=k\left(5\right)  

a)

 155=k\frac{15}{5}=k  

b)

 15×5=k15\times5=k  

3.

 48=k(42)48=k\left(4^2\right)  

a)

 48×42=k48\times4^2=k  

b)

 4842=k\frac{48}{4^2}=k  

4.

 4=k(12)24=k\left(\frac{1}{2}\right)^2  

a)

 4(12)2=k\frac{4}{\left(\frac{1}{2}\right)^2}=k  

b)

 4×(12)2=k4\times\left(\frac{1}{2}\right)^2=k  

5.

 81=k(33)81=k\left(3^3\right)  

a)

 8133=k\frac{81}{3^3}=k  

b)

 81×33=k81\times3^3=k  

6.

 1125=k(15)3\frac{1}{125}=k\left(\frac{1}{5}\right)^3  

a)

 1125(15)3=k\frac{\frac{1}{125}}{\left(\frac{1}{5}\right)^3}=k  

b)

 1125×(15)3=k\frac{1}{125}\times\left(\frac{1}{5}\right)^3=k  

7.

 27=k(9)27=k\left(\sqrt{9}\right)  

a)

 279=k\frac{27}{\sqrt{9}}=k  

b)

 27×9=k27\times\sqrt{9}=k  

8.

 42=k(49)42=k\left(49\right)  

a)

 4249=k\frac{42}{49}=k  

b)

 42×49=k42\times49=k  

9.

 1.2=k(27)131.2=k\left(27\right)^{\frac{1}{3}}  

a)

 1.2(27)13=k\frac{1.2}{\left(27\right)^{\frac{1}{3}}}=k  

b)

 1.2×(27)13=k1.2\times\left(27\right)^{\frac{1}{3}}=k  

10.

 0.28=k(28)0.28=k\left(28\right)  

a)

 0.2828=k\frac{0.28}{28}=k  

b)

 0.28×28=k0.28\times28=k