Chapter 6 Systems

What is the solution to the system?

• (0, 3)
• (1, -1)
• (-3, 1)
• (1, 3)

Tags

CCSS.8.EE.C.8B

What is the solution?

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

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 does the next step look like when solving this system by substitution?

6x + y = -1

y = -3x - 4

• Multiply the second equation by 2

• 6x + y = -1

  3x+ y = - 4

• 6(-3x-4)+y=-1

• 6x +(-3x-4)=-1

Solve using substitution:
y = -2x + 18
y = 8

• (5, 8)
• (-5, 8)
• (2, 8)
• (-2, 8)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the best method to solve this system?

4x+9y=28

-4x-y=-28

• Graphing

• Substitution

• Elimination

• Give Up

What is the first step to solving this system by elimination?

4x+4y=4

3x+4y=10

• Add the equations

• Multiply either equation by negative 1

• Multiply the Second equation by -4

• Solve for y in both equations

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

What is the best way to solve this system of Equations?

y=2x+1

y=3x+3

• Graphing

• Elimination

• Substitution

• Give up