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UAS MATEMATIKA

Authored by Mira Yulianti

Mathematics

University

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UAS MATEMATIKA
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15 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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

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  y = x2 + ax + by\ =\ x^2\ +\ ax\ +\ b   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 y=ax2+6x+(a+1)y=ax^2+6x+\left(a+1\right)  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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