Solving Equations by Factoring and Graphing

Which method of solving System of Equations is best when both equations are already solved for y?

• Graphing

• Substitution

• Elimination

• Trial and error

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

When using the graphing method, what does it mean if the lines are the same?

• Infinite solutions

• No solution

Tags

CCSS.8.EE.C.8B

What is the solution for this graph?

• No solution

• Infinite Solutions

• (4,6)

• (1/2, -6)

Tags

CCSS.8.EE.C.8B

• ±√9
• ±3
• ±1
• No real solution

Tags

CCSS.8.EE.A.2

Use the graph to determine the solutions.

• -1 and -3

• 1 and -3

• 1 and 3

• -1 and 3

• A
  Roots
  x = 2
  x = -4
• B
  Roots
  x = 2
  x = 4
• C
  Roots
  x = -2
  x = -4
• D
  Roots
  x = 0
  x = 4

Tags

CCSS.HSF-IF.C.7A

• A
  1 Real Solution
• B
  2 Real Solutions
• C
  No Real Solutions
• D
  Half a Solution

• A
  Roots are -1 and -3
• B
  Roots are 0 and 3
• C
  Roots are 1 and 4
• D
  Roots are -1 and 3

Tags

CCSS.HSF-IF.C.7A

• x = 5

• x = -5

• x = ±25

• x = ±5

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

• -3 & -1

• 8 & -1

• 8 & -2

• 8 & 5

Tags

CCSS.HSF-IF.C.7A