Systems of Linear Equations Review

Does the following system have One Solution, No Solution, or Infinite Solutions.  
y = 4x + 8
y = -5x + 3

• One solution
• No solution
• Infinite solution

Parallel lines have the same slope with a different y-intercept and how many solutions?

• One
• No
• Infinite

Tags

CCSS.8.EE.C.8B

Given the equation y = 7x + 11, write another equation that will result in “No Solution” when both equations are graphed.

• y = -7x
• y = 7
• y = 7x + 2

Tags

CCSS.8.EE.C.8B

If a system of equations has One Solution, what does the graph look like?

• parallel lines
• same line
• intersecting lines

Tags

CCSS.8.EE.C.8A

The same line on a graph, has how many solutions?

• One solution
• Infinite solutions
• No solution

Tags

CCSS.8.EE.C.8B

Is (2, 5) a solution to the following system of equations?  
x – 3y = -13
3x + 4y = - 26

• yes, (2, 5) works for both
• no, (2, 5) only works for one 

Which of the statements about this system of equations is true?
y = -3(-2x + 4)
y =  6x – 12

• No solution
• One solution
• Infinite solution

Intersecting lines have how many solutions?

• One solution
• No solutions
• Infinite solutions

Tags

CCSS.8.EE.C.8B

When using the Elimination method, what is the second question?

• Is it in Standard form?
• Are there any opposites?
• Multiply by a (-1).

When graphing, where do we start?

• y-intercept
• slope
• x axis