Intro to Substitution

x = 3

Substitute the 3 for x in the equation.

y = 7x - 9

What does y equal?

SHOW YOUR WORK ON YOUR PAPER

• 14

• 12

• 30

• 1

Tags

CCSS.HSF.IF.A.2

Substitute the 2 for x in the equation.

y = 3x + 9

What does y equal?

SHOW YOUR WORK ON YOUR PAPER

• 6

• 15

• 3

• 18

x = - 4

Substitute the - 4 for x in the equation.

y = - 2x - 8

What does y equal?

SHOW YOUR WORK ON YOUR PAPER

• 0

• - 16

• 12

• 4

x = 5

Substitute the 5 for x in the equation.

x + 2y = 15

What does y equal?

SHOW YOUR WORK ON YOUR PAPER

• 12

• 20

• 5

• 10

What is the correct reason for line 5 and 6?

• 5.Transitive Property of equality 6. Substitution

• 5.Algebra 6.Definition of ≅

• 5.Substitution 6.Definition of ≅

• 5.Angle addition postulate 6.Substitution

Tags

CCSS.HSG.SRT.B.5

Name the Property that the statement illustrates:

If AB=21 and DC=21 then AB=DC

• Substitution Property

• Reflexive Property

• Symmetric Property

• Subtraction Property

Tags

CCSS.HSG.SRT.B.5

What is the justification?

• Substitution Property of Equality

• Definition of Supplementary Angles

• Angle Addtion Postulate

• Addition Property of Equality

Tags

CCSS.7.G.B.5

What is the reason?

• Transitive 

• Substitution

• Middle Man

• Replacing 

Tags

CCSS.HSG.CO.C.10