Solving systems of linear equations

What is the solution to the system?

• (0, 3)
• (1, -1)
• (-3, 1)
• (1, 3)

Tags

A1.AREI.6

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. 

Tags

A1.AREI.6

This system has _____ solutions

• 0
• 1
• 2
• Infinitely many

Tags

A1.AREI.6

Solve the system by substitution.
 
5x + 4y= −14
y =  −7x  −  15 

• (-2, -1)
• (1, -2)
• (-2, 1)
• (-1, -2)

Tags

A1.AREI.6

Solve for x and y by Substitution.

3x + 2y = 16

7x + y = 19

• (-2,5)

• (-2,-5)

• (2,-5)

• (2,5)

Solve the system by substitution.

6x + y = -1

y = -3x - 4

• (3, 1)
• (1, 7)
• (-3, 1)
• (1, -7)

Tags

A1.AREI.6

Solve by elimination:
4x+9y=28
-4x-y=-28

• (-7,0)
• (6,0)
• (-6,0)
• (7,0)

Tags

A1.AREI.6

Solve by elimination:

3x+7y=23

-3x-7y=-17

• No solution

• (0, 3)

• (-3,3)

• (3,3)

Tags

A1.AREI.6

Solve by elimination:

4x + 4y = 4  

3x + 4y =10

• (7,-6)
• (-6,7)
• (6,7)
• (7,6)

Tags

A1.AREI.6

• (1, 5)
• (5, 1)
• (0.25, 2)
• No solution