Substitution/Elimination Method

Solve using Substitution

• (3,8)
• (8,3)
• (0,2)
• (2,0)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations.
y = 4x + 1
3x + 2y = 13

• (1, 5)
• (5, 1)
• (0.25, 2)
• ∅

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• ( 4/7, -15/7 )
• (-2, -3)
• ( 4/3, 5/3)
• (2, 5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• No solution
• All points on y=x+2
• ( -3/2, 1/2)
• (2, 1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• No solution
• All points on y=1/2 x - 13/2
• (7, -3)
• (209/15, 7/15)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

How many solutions will this system have?

• No Solution
• Infinitely Many Solutions
• No Clue
• One solution

Tags

CCSS.8.EE.C.8A

The solution (x, y) to a system of equations is the point where they...? 

• Run off the graph
• Don't touch
• Intersect
• Exist

Tags

CCSS.8.EE.C.8B

What is the solution?

• (1, -1)
• (-1, 1)
• (0, -2)
• (0, 1)

Tags

CCSS.8.EE.C.8A

This system has _____ solutions

• 0
• 1
• 2
• Infinitely many

Tags

CCSS.8.EE.C.8A

solve by substitution: y=3x+14
y=-4x

• y=3
• y=1
• y= - 2
• y=4

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6