Sistem Persamaan Linear Dua Variabel
Authored by Ade fatma
Mathematics
8th Grade
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Perhatikan persamaan-persamaan berikut !
(I) 3p + 5q = 10
(II) 2x² - 3y = 6
(III) 3y = 5x – 2
(IV) 3x + 5 = 2x – 3y
Yang bukan merupakan persamaan linear dua variabel adalah ....
(I)
(II)
(III)
(IV)
2.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Perhatikan persamaan-persamaan berikut !
(I) 15 – 5x = 23
(II) 5x = 20 – 3y
(III) x² - y² = 49
(IV) 3x² + 6x + 12 = 0
Yang merupakan persamaan linear dua variabel adalah ....
(I)
(II)
(III)
(IV)
3.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Rina membeli 3 kg apel dan 2 kg jeruk. Uang yag harus dibayarkan adalah Rp 65.000,00.
Jika diubah menjadi persamaan linear dua variabel, maka pernyataan tersebut menjadi ....
3x + 2y = 65.000
3x – 2y = 65.000
3x + 2y = 65
3x – 2y = 65
4.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Seorang pedagang menjual 3 buah pensil dan 5 buah buku seharga Rp 19.500,00.
Jika diubah menjadi persamaan linear dua variabel, maka pernyataan tersebut menjadi ....
3x - 5y = 19.5
3x + 5y = 19.500
3x - 5y = 19.5
3x + 5y = 19.500
5.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Himpunan penyelesaian dari sistem persamaan x + y = 12, x – y = 4 adalah ....
{ 4 , 8 }
{ 12 , 4 }
{ 4 , 12 }
{ 8 , 4 }
6.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Himpunan penyelesaian dari sistem persamaan 2x - 5y = 1, 4x – 3y = 9 adalah ....
{1, 3 }
{2, 5 }
{3, 1 }
{4, 3 }
7.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Himpunan penyelesaian dari sistem persamaan 2x - y = 4, -2x – 3y = -4 adalah ....
{4 , -4}
{2 , 0}
{2 , 3}
{2 , -2}
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