SEM ALG 1_Equivalent Systems of Equations

Using the system of equations below:

5x - 2y = 12

6x + 2y = 32

Which equation below could be included in the system of equations?

• 11x = 44

• 11x + 4y = 44

• x = 20

• -x - 4y = 20

Using the system of equation below:

10x + y = -45

2x + y = -5

Which equations below could also be included in the system?

• -8x = 40

• -8x = -40

• 12x + 2y = -50

• 12x + 2y = 40

• 12x = 50

Using the system of equations below:

-5x + 5y = -10

6x + 5y = 1

Which equations below would be included in system?

• 11x + 10y = -11

• -11x = 11

• -11x = -11

• x + 10y = -9

• 12x + 10y = 2

Consider the system of equation below:

x + y = 4

x - y = 6

Which of the following represents the result when the two equations are added? Select all that apply

• 2x + 2y = 10

• 2x = 2

• 2x = 10

• x = 5

• -2y = -10

Using the System of Equations below:

-x + 2y = -15

8x - 2y = -20

Which of the following equations would be true for the system? Select all that apply.

• 7x = -35

• x = -5

• -9x + 4y = 5

• -3x +6y = -45

• 4x + 3y = 45

Consider the system of equations below:

-10x - y = 27

-4x - y = 9

Which system of equations below is equivalent?

• -20x - 2y = 54

  -8x -2y = 18

• -10x - y = 27

  -8x - y = 9

• -10x - y = 27

  -14x = 30

• -30x - 3y = 27

  -12x - y = 27

Consider the system of equations:

9x + 2y = -38

9x + 10y = 26

Which system of equation below is equvialent?

• 9x + 2y = -38

  -8y = -64

• 18x + 4y = -38

  18x + 40y = 26

• 9x + 10y = 26

  y = 10

• 10x + 4y = -48

  10x + 10y = 36

A system of equations has been graphed.

Which system of equation below would be equivalent?

• -12x + 4y = 4

  2x + y = 6

• -3x + y = 1

  y = 6

• -9x + 3y = 1

  6x + 3y = 6

• -9x + 3y = 3

  -x + y = 7

Put the following equation of a line into slope-intercept form, all fractions must be simplified.

2x - 10y = -20

Must type answer with y=

Mathematical Equivalence

ON

Put the following equation of a line into slope-intercept form, all fractions must be simplified.

6x + 2y = -4

Must type answer with y=

Mathematical Equivalence

OFF