Solving Systems with Graphing & Matrices

If a system of equations has no solution, what does the graph look like? 

• intersecting lines
• parallel lines
• skew lines
• intersecting lines

Tags

CCSS.8.EE.C.8A

What is the solution to the system?

• (0, 3)
• (1, -1)
• (-3, 1)
• (1, 3)

Tags

CCSS.8.EE.C.8B

If a system of linear equations has one solution, what does this mean about the two lines? 

• Parallel lines
• the same line 
• Intersecting lines

Tags

CCSS.8.EE.C.8A

Which of the following are ways to solve systems of equations? 

• Graphing
• Substitution
• Elimination
• All of the above

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

How many solutions does this system have?

• One Solution

• Two Solutions

• No Solutions

• Infinite Solutions

Tags

CCSS.8.EE.C.8A

How many solutions does this system have?

• One Solution

• Two Solutions

• No Solutions

• Many Solutions

Tags

CCSS.8.EE.C.8A

How many solutions does this system have?

• One Solution

• Two Solutions

• No Solutions

• Many Solutions

Tags

CCSS.8.EE.C.8A

Given the problem:

y = 3x + 1

y = 5x - 9

Step 1: 3x + 1 = 5x - 9

Step 2: -2x + 1 = 9

Step 3: What is the next step?

• Add 1 to both sides

• Subtract 1 from both sides

• Add 2x to both sides

• Add 9 to both sides

• (-2, 4)

• (34, -20)

• (34, 20)

• (2, 4)

Plumber A charges $60 an hour. Plumber B charges $40 to visit your home plus $55 for each hour. Select the correct system of linear equations that model the problem.