Systems of Equations Tables, Graphs, Equations

A solution to a system tells us when...

• x and y are the SAME for both equations

• x is GREATER than y on one equation

• y is GREATER than x on one equation

• x and y START on the graph

Tags

CCSS.8.EE.C.8B

Copland competes in 27 swimming events this season. He wins either first place or second place in each event. Copland has 3 more first-place wins than second-place wins. Which system of equations represents this story?

Tags

CCSS.8.EE.C.8C

There are 47 people attending a play at an outdoor theater. There are 11 groups of people sitting in groups of 3 or 5. Which system of equations best represents this story?

Tags

CCSS.HSA.CED.A.3

What is the solution to the system of linear equations from the graph?

• No solution

• Infinite Solutions

• (0,1)

• (1,0)

• 1

Tags

CCSS.8.EE.C.8B

Is this system ready for elimination?

• Yes, the x variables will eliminate.

• Yes, the y variables will eliminate.

• No, you need a multiplier.

• Not enough information.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which of the following shows the correct substitution for the system?

• 
• 
• 
• 

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

The two tables show Calvin and Elaina's earnings per hour. When do they both earn the same amount?

• After 10 hours of work they both earn $250.

• Elaina always earns more.

• Calvin always earns more.

• After 5 hours of work they both earn $125.

Tags

CCSS.8.EE.C.8C

A system has no solution.

We know that the slopes are ​ (a)   and the y-intercepts are ​ (b)   .

• the same

• different

• the same or different

Tags

CCSS.8.EE.C.8A

Which of the following is represented by these tables?

• x - 6y = -90

  x - 3y = 27

• x + 6y = 90

  x +3y = -27

• 6x - y = -15

  3x - y = 9

• 6x + y = 15

  3x + y = -9

Tags

CCSS.HSA.REI.C.8

A system of equations is graphed. Which systems of equations is represented by the graph?

• x - 2y = -6

  2x - y = 3

• 2x - 2y = -6

  x - y = 3

• -x + 2y = 6

  2x - y = 3

• 6x + 9y = 3

  8x + 7y = -3

Tags

CCSS.8.EE.C.8B