Solving Systems by Graphing and Substitution

What is the solution to this system?

Mathematical Equivalence

ON

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

What is the solution to this system?

• One Solution
• No solution
• Infinitely Many Solutions

Tags

CCSS.8.EE.C.8A

If a system of linear equations has one solution, what does this mean about the two lines? 

• Parallel lines
• the same line 
• Intersecting lines

Tags

CCSS.8.EE.C.8A

Solve by graphing.
y = 2x + 1
y = 4x - 1

Mathematical Equivalence

ON

Tags

CCSS.8.EE.C.8B

Graph both equations. What point do they intersect at?
y = 2x
y = 3x + 1

Mathematical Equivalence

ON

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

y = -2x + 18
y = 8

Mathematical Equivalence

ON

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

Mathematical Equivalence

ON

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

The ordered pair that satisfies BOTH equations in the system is called the _____________________

• system of equations
• function
• graph
• solution 

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

y=x+2

3y + x =14

What would you write for a substituted equation?

• 3y +( x +2 ) = 14

• 3x + 2 + x = 14

• 3(x +2) +x = 14

Tags

CCSS.7.EE.B.4A