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Penilaian Akhir Semester Ganjil

Authored by Zulpahmi Zulpahmi

Mathematics

8th Grade

Penilaian Akhir Semester Ganjil
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35 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

1. Pada pemetaan f(x)=4x jika daerah asalnya {x | x<5,x∈ bilangan asli} maka daerah hasilnya ........

A. { (0,4),(1,3),(3,12),(4,10),(5,12)}

B. {(1,4),(2,8),(3,12),(4,16),(5,20)}

C. {(2,4),(3,8),(4,12),(5,20)}

D. {(3,10),(4,12),(5,16),(6,20)}

2.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

2. Rumus umum fungsi lnear adalah .....

A. f : 2
B. f : x ------> b
C. f(x) = ax + b
D. f : x ------> 2

3.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

3. Diberikan rumus fungsi f(x) =2x + 2 , maka pernyataan yang benar adalah ...

A. x =-1 , f(-1) = 0
B. x = 0 , f(0 )= 3
C. x= 2, f(2) = 5
D. x=3 , f(3)= 6

4.

MULTIPLE CHOICE QUESTION

45 sec • 3 pts

4. Diketahui fungsi f : x ----> 2x - 2 , nilai f untuk x=-5 adalah.....

A. 12

B. -12

C. 8

D. -8

5.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

5. Diketahui fungsi f : x ----> 2x - 2 , nilai f(1) dan nilai f(2) adalah.....

A. 1 dan 4
B. 0 dan 4
C. 0 dan 2
D. 1 dan 2

6.

MULTIPLE CHOICE QUESTION

30 sec • 4 pts

6. Diberikan rumus fungsi f(x)=2x+2 dengan Df= { -1,0,2} , maka daerah hasil / Rf = .......

A. { 0 , 1 , 2}
B. { -1,0,1}
C. { 0 , 2 , 6 }
D. { - 2 , 0 , 6 }

7.

MULTIPLE CHOICE QUESTION

1 min • 4 pts

7. Diberikan rumus fungsi f(x)=2x-2 dan f(x)=8 , maka nilai x = .....

A.2

B.3

C.4

D.5

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