Unit 7: Systems Review (8T)

How many solutions?

• One Solution
• No solution
• Infinitely Many Solutions

Tags

CCSS.8.EE.C.8A

What is the solution to the given system?

• (1,3)

• (0,0)

• (2,2)

• no solution

Tags

CCSS.8.EE.C.8B

What is the solution for the system of equations in the accompanying diagram?

• No Solution

• Infinitely Many Solutions

• (3,1)

• (1, 3)

Tags

CCSS.8.EE.C.8B

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

• Intersecting lines
• Parallel lines
• Same line

Tags

CCSS.8.EE.C.8A

 If a system of equations has infinitely many solutions, what does the graph look like? 

• Intersecting lines
• Parallel lines
• Same line

Tags

CCSS.8.EE.C.8A

What is the correct first step to solve this system of equations?
4x - 3y = -10
2x + 3y = 4

• Add the 2 equations together
• Multiply one of the equations by -1
• Multiply the second equation by +2
• Subtract the 2 equations

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Why are two equations written next to one line on the graph?

• There is no solution.

• There are infinitely many solutions.

• I have no idea.

• It's a typo.

Tags

CCSS.8.EE.C.8A

When given the following system,

is (6, -4) a solution?

9x + 13y = 2 and -3x - 5y = 2

• Yes

• No

• I have no clue!

Fill in the blanks: When two lines have _________ slope and _________ y-intercepts, the lines have no solution.

• the same; the same

• different; the same

• the same; different

• different; different

The sum of two numbers is 54. The difference of the same numbers is 16. Which system represents this situation?

• x + y = 54

• x - y = 16

• x + y = 54

  x - y = 16

• x + x = 54

  y - y = 16