Plug In Variables

• 3

• 4

• 0.5

• 2

• 30
• 43
• 46
• 54

What happens when you substitute and solve?

• The variables disappear and its no solution

• I get a normal x and plug back in for y

• I get a normal y and plug back in for x

• The variables disappear and it's infinite solutions

What happens when you set them equal and solve?

• The variables disappear and its no solution

• I get a normal x and plug back in for y

• I get a normal y and plug back in for x

• The variables disappear and it's infinite solutions

What happens when you substitute and solve?

• The variables disappear and its no solution

• I get a normal x and plug back in for y

• I get a normal y and plug back in for x

• The variables disappear and it's infinite solutions

What method fits this problem best?

• Equal Values Method

• Substitution Method

• Elimination Method

• Graphing Method

What happens when you substitute and solve?

• The variables disappear and its no solution

• I get a normal x and plug back in for y

• I get a normal y and plug back in for x

• The variables disappear and it's infinite solutions

What happens when you eliminate and solve?

• The variables disappear and its no solution

• I get a normal x and plug back in for y

• I get a normal y and plug back in for x

• The variables disappear and it's infinite solutions

What method fits this problem best?

• Equal Values Method

• Substitution Method

• Elimination Method

• Graphing Method

If f(x) = 2x + 1, what would be your first step to find f(1)?

• Plug a 1 in for all the x's

• Set the function equal to 1

• Only plug a 1 into the left side

• Only plug a 1 into the right side

• I don't know