Quiz about 6.3 Simultaneous Linear Equations (2 Variables)

Question 1

Solve:

3x - y = 11

x + y = 5

Accepted Answer

x = 4y = 1

Answer

x = 4

y = -1

Answer

x = -4

y = 1

Answer

x = -4

y = -1

Question 2

Solve:

2x + 3y = 5

x + 3y = 7

Accepted Answer

x = -2

y = 3

Answer

x = -2

y = -3

Answer

x = 2y = 3

Answer

x = 2

y = -3

Question 3

Solve:

2x + 5y = 29

x + 5y = 22

Accepted Answer

x = 7y = 3

Answer

x = -7

y = -3

Answer

x = 7

y = -3

Answer

x = -7

y = 3

Question 4

Solve:

3x + 5y = 4

4x - 5y = -18

Accepted Answer

x = -2

y = 2

Answer

x = -2

y = -2

Answer

x = 2

y = -2

Answer

x = 2y = 2

Question 5

Solve:

3x - 4y = 26

2x - 4y = 20

Accepted Answer

x = 6

y = -2

Answer

x = -6

y = -2

Answer

x = -6

y = 2

Answer

x = 6y = 2

Question 6

Solve:

2x + y = 16

4x - y = 2

Accepted Answer

x = 3

y = 10

Answer

x = -3

y = -10

Answer

x = -3

y = 10

Answer

x = 3

y = -10

Question 7

Solve:

4x - y = 17

7x - y = 32

Accepted Answer

x = 5y = 3

Answer

x = -5

y = 3

Answer

x = 5

y = -3

Answer

x = -5

y = -3

Question 8

Solve:

3x + 2y = 15

7x + 2y = 19

Accepted Answer

x = 1y = 6

Answer

x = -1

y = 6

Answer

x = 1

y = -6

Answer

x = -1

y = -6

Question 9

Solve for (x , y)

-2x + 6y = 16

-4x - 3y = 2

Accepted Answer

(-2 , 2)

Answer

(2 , 2)

Answer

(-2 , -2)

Answer

(2 , 1)

Question 10

Solve the simultaneous equations

a + b = 11

a - b = 3

Accepted Answer

a = 7, b = 4

Answer

a = -4, b = 7

Answer

a = 4, b = 7

Answer

a = 4, b = -7

Question 11

y = x - 9

y = -4x

Accepted Answer

x = 1.8, y = -7.2

Answer

x = 7, y = 1.8

Answer

x = 7.2, y = 1.8

Answer

x = 1.88, y = 7.2

Question 12

Solve the Simultaneous Equations:

x + y = 5

x - y = 1

Accepted Answer

x = 3, y = 2

Answer

x = 2, y = 3

Answer

x = 3, y = -2

Answer

x = -3, y = 2

Question 13

What is the solution to the system of equations?

Accepted Answer

(5, 2)

Answer

(2, 5)

Answer

(-5, 2)

Answer

(-2, -5)

Question 14

What is the solution to the system of equations?

Accepted Answer

(3, 2)

Answer

(3, -2)

Answer

(2, 3)

Answer

(2, -3)

Question 15

Which equation represents the following graph?

Accepted Answer

y = 2x + 3

Answer

y = 3x + 2

Answer

y = -2x + 3

Answer

y = -3x + 2

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