Systems of Equations Graphing Intro

Choose the option that will eliminate one of the variables.

2x+9y= -7

6x-3y= 9

• multiply the bottom row 2

• multiply the bottom row by - 2

• multiply the top row by 3

• multiply the top row by - 3

These two lines intersect at _____

• (4, -2)

• (4, 2)

• (-2, 4) 

• No solution

What is the solution to the system?

• (0, 3)

• (1, -1)

• (-3, 1)

• (1, 3)

The solution is:

• (4, 3)

• (3, 4)

• (-4, 3)

• No solution

What is the solution to this system of equations?

• (4, -1)

• (-1, 4)

• (-4, 1)

• (-4, -1)

What is the solution?

• (1, -1)

• (-1, 1)

• (0, -2)

• (2, 0)

This system has _____ solutions

• 0

• 1

• 2

• Infinitely many

What is the solution?

• One Solution

• No solution

• Infinitely Many Solutions

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

• intersecting lines

• parallel lines

• skew lines

• intersecting lines

When you graph the exact same equation twice,

• you will have no solution. 

• you will have one solution.

• you will have infinite solutions. 

• you will graph a giraffe.