Systems of Equations

Solve the following problem
y=x+2
y=4x+23

• (7,5)
• x=-7
• (-7,-5)
• x=-7 and y=-5

Solve the following

y=3x-22

y=2x-15

• (-7,-1)

• x=7 and y=-1

• (-1,7)

• (7,-1)

Solve the following
y=x+4
y=5x+20

• No Solution
• (4,0)
• (-4,0)
• x=-4

Solve the system by substitution. 
y = 2x − 11
2x − 8y = 4 

• (6, 1)
  
• (6, −1)
  
• (6, −4)
  
• Infinite number of solutions  

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations using the substitution method.

• (-7, 4)
• Infinitely Many Solutions
• (13, -5)
• (0, -8)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system by substitution. 
y = 5
-6x+3y = 3

• (4,1)
• (2, 1)
• (1, 5)
• (2, 5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

How many solutions will this system have?

• No Solution

• Infinitely Many Solutions

• One Solution

^{What is the solution?} 

• 1
• -2
• (1, 2)
• (1, -1)

Tags

CCSS.8.EE.C.8A

How many solutions will this system have?

• No solution

• One Solution

• Infinitely Many Solutions

The solution to a system is always...

• an x-value

• a y-value

• an ordered pair

• infinite solutions