Equations in Two Variables

Solve:

3x - 4y = 26

2x - 4y = 20

• x = 6

  y = -2

• x = -6

  y = -2

• x = -6

  y = 2

• x = 6

  y = 2

Tags

CCSS.HSA.REI.C.9

Solve:

2x + y = 16

4x - y = 2

• x = 3

  y = 10

• x = -3

  y = -10

• x = -3

  y = 10

• x = 3

  y = -10

Tags

CCSS.HSA.REI.C.9

Solve for (x , y)

-2x + 6y = 16

-4x - 3y = 2

• (2 , 2)

• (-2 , -2)

• (-2 , 2)

• (2 , 1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve for (x , y)

5x + y = 9

10x − 7y = −18

• (-4 , -1)

• (-1 , -4)

• (4 , 1)

• (1 , 4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the Simultaneous Equations:

x + y = 5

x - y = 1

• x = 2, y = 3

• x = 3, y = 2

• x = 3, y = -2

• x = -3, y = 2

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the solution to the system of equations?

• (5, 2)

• (2, 5)

• (-5, 2)

• (-2, -5)

Tags

CCSS.8.EE.C.8B

What is the solution to the system of equations?

• (3, -2)

• (3, 2)

• (2, 3)

• (2, -3)

Tags

CCSS.8.EE.C.8B

In the equation 2x + 3y = 19, what is/are the variable(s)? Choose the best answer.

• x

• y

• =

• Both x and y are variables

Tags

CCSS.6.EE.A.2B

What branch of mathematics deals with equations with variables?

• Algebra

• Geometry

• Calculus

• Physics

In the equation 2x + 3y = 19, what is the constant?

• y

• 19

• x

• 2

Tags

CCSS.6.EE.A.2B