Systems of Linear Equations (Warm-Up)

What is the solution to this system?

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

Tags

CCSS.8.EE.C.8B

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

CCSS.8.EE.C.8A

How many solutions will this system have? 

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

Tags

CCSS.8.EE.C.8B

What is the solution to the system?

Be careful! Pay attention to the labels on the axes!

• (3, -1)
• (2, -6)
• No Solution 
• (6, -2)

Tags

CCSS.8.EE.C.8B

Based on the equations for each line, determine how many solutions the system would have.

• Infinite Number of Solutions

• No Solution

• One Solution

Tags

CCSS.8.EE.C.8B

Based on the equations for each line, determine how many solutions the system would have.

• Infinite Number of Solutions

• No Solution

• One Solution

Tags

CCSS.8.EE.C.8B

To solve this system using substitution, what should be your first step?

• substitute the x in 2x+y=3 with 2x-1

• add 2x plus 2x-1 and make the whole thing equal 3

• substitute the y in 2x+y=3 with 2x-1

• make 2x-1 equal to 2x+y

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

To solve this system using substitution, what should be your first step?

• rewrite the second equation as either x=1-y or y=1-x

• rewrite the first equation as 2x=3y+6

• substitute in x+y=1 into 2x-3y=6

• solve the second equation for either x or y

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which ordered pair is a solution to the system?

• (1, 2)

• (3, 6)

• (3, 3)

• (0, 0)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

This symbol is read...

• f minus x

• f times x

• f of x

• f plus x

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1