Quiz: in Class

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| 1 | Solve the following system of equations:
12x + 7y = 24 and 19x - 11y = -6.

| A) x = 0.7368 and y = 1.5941

B) x = 0.8368 and y = 1.9941

C) x = 2.368 and y = 0.643

D) x = 0.6342 and y = -1.113 | 2 | Solve the following system of equations :
10x + 17y = 15 and 8x - y = 11.

| A) x = -1.3836 and y = 0.3688

B) x = 1.3835 and y = 1.0688

C) x = 1.38356 and y = 0.0688

D) x = 3.2836 and y = 0.4684 | 3 | Solve the following system of equations:
15x + 9y = -12 and -8x - 5y = 7.

| A) x = 3 and y = -5

B) x = 1 and y = -1

C) x = 2 and y = -4

D) x = 1 and y = -3

| 4 | Solve the following system of equations :
23x - 14 y = - 32 and 18x + 38y = 26.

| A) x = 0.7639 and y = 1.0425

B) x = 0.7639 and y = -1.0425

C) x = -0.7639 and y = -1.0425

D) x = -0.7566 and y = 1.0425 | 5 | Solve the following system of equations:
12x + 8y = 26 and 15x - 3y = 22.

| A) x = 1.769 and y = -3.904

B) x = - 4.769 and y = -3.904

C) x = 1.628 and y = 0.807

D) x = 5.269 andy = 7.904 | 6 | Solve the following system of equations:
7x - 11y = 14 and 6x + 16y = 20.

| A) x = 2.48 and y = 0.33

B) x = 2.51 and y = 0.41

C) x = 2.494 and y = 0.314

D) x = 2.464 and y = 0.43 | 7 | Solve the following system of equations:
19x + 21y = 15 and 13x - 17y = -18.

| A) x = -0.206 and y = 0.901

B) x = 0.22 and y = -0.92

C) x = 0.206 and y = -0.901

D) "x = -0.22 and y = 0.92 | 8 | Solve the following system of equations :
5x + 10y = 11 and 5x - 3y = 14.

| A) x = 2.66 and y = -0.23

B) x = -2.66 and y = 0.23

C) x = 2.69 and y =- 0.25

D) x = -2.69 and y = 0.25

| 9 | Solve the following system of equations:
20x - 13y = 8 and 14x + 9y = 12.

| A) x = 0.645 and y = 0.351

B) x = 0.629 and y = 0.354

C) x = 0.637 and y = 0.347

D) x = 0.638 and y = 0.359 | 10 | Solve the following system of equations:
17x + 4y = 16 and 13x - 3y = 22. | A) x = -1.23 and y = 1.16

B) x = 1.32 and y = -1.61

C) x = 1.23 and y = -1.16

D) x = -1.32 and y = 1.61

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