Solving Systems of Equations

^{What is the solution?} 

• 1
• -2
• (1, 2)
• (1, -1)

Tags

CCSS.8.EE.C.8A

Lesly graphed two lines in order to find the solution to a given system of equations.
What is the solution?

• (-3,-8)
• (-8,-3)
• (3,-8)
• (8,3)

Tags

CCSS.8.EE.C.8B

How many solutions will this system have? 

• No solution
• One Solution
• I Don't Know
• Infinitely Many Solutions

Tags

CCSS.8.EE.C.8A

Is (1,10) a solution to

y=7x+5

y=x+9

• yes

• no

Tags

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.11

Solve each system of equations.
y = 3x - 11  
2x + 3y = 0

• (-2,3)
• (-3,2)
• (3,-2)
• (2,-3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

The first step in solving using the substitution method is __________.

• get x by itself
• get y by itself
• get either variable by itself
• add the equations together

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the solution to the system of equations? 
y = 3x - 8
y = 4 - x

• (3,1)
• (1,3)
• (-3,1)
• (3,-1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the System using Elimination.
7x - y = -10
-7x + 5y = -6

• (-2, -4)
• (-2, -1)
• (-4, -1)
• (6, -8)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the System using Elimination.
x - 5y = 5
3x + y = 31

• (10, -1)
• (9, 4)
• (10, 1)
• (55, 10)

Tags

CCSS.HSA.REI.C.5

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.11

Solve the System using Elimination. 
−6x + 6y = 0
9x − 8y = 4 

• (4, −9)
  
• Infinite number of solutions 
• (−9, 4)
  
• (4, 4) 

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6