Tentukan nilai x dan y berikut ini dari persamaan 2 variabel berikut : x + y = 8 dan 2x + 3y = 19
UAS MATEMATIKA

Quiz
•
Mathematics
•
University
•
Hard

Mira Yulianti
Used 220+ times
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
x = 5 ; y = 3
x = -5 ; y = 3
x = 5 ; y = -3
x = 3 ; y = 5
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Tentukan nilai x dan y dari persamaan berikut : 2x – y = 7 dan x + 2y = 1
y = 1 ; x = 3
y = -1 ; x = 3
y = 1 ; x = -3
y = 3 ; x = -1
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Tentukan nilai x dan y dari persamaan berikut : x + y = -5 ;
x – 2y = 5
x = 2 ; y = -3
x = -2 ; y = 3
x = -2 ; y = -3
x = 2 ; y = 3
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Tentukan nilai x, y dan z dari sistem persamaan linear tiga variabel berikut :
2x + 5y – 3z = 3
6x + 8y -5z = 7
-3x + 3y + 4y = 15
x = 1 ; y = 3 ; z = 2
x = 2 ; y = 3 ; z = 1
x = 3 ; y = 2 ; z = 1
x = 1 ; y = 2 ; z = 3
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jika grafik mempunyai titik puncak (1, 2), tentukan nilai a dan b.
a = -2 ; b = -3
a = 3 ; b = -2
a = 2 ; b = 3
a = -2 ; b = 3
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
jika fungsi mempunyai sumbu simetri x = 3, tentukan nilai maksimumnya.
10
-9
9
-10
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Ada berapa cara 5 gelas warna yang mengitari meja kecil, dapat menempati kelima tempat dengan urutan yang berlainan?
20
24
23
22
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