algebraic proof

What is Addition property of equality

• a.   If a=b, then a+c=b+c
• b.  If a=b, then a-c=b-c
• c.  If a=b, then ac=bc
• d.  If a=b, then a/c=b/c

Tags

CCSS.HSA.REI.A.1

Identify the property used here:
39=39

• Reflexive
• Symmetric
• Transitive
• Substitution

Tags

CCSS.7.EE.A.1

Simplify the expression with the distributive property
6(x + 3)

• 6x + 3
• 6x + 18
• x + 3
• 9x

Tags

CCSS.6.EE.A.3

What is always the 1st statement in reason column of a proof?

• Prove
• Given
• Reason
• Statement

What is reason 2?

• Addition Property of Equality
• Subtraction Property of Equality
• Multiplication Property of Equality
• Division Property of Equality

Tags

CCSS.HSA.REI.A.1

Identify the property of equality used & the solution.

• addition: 26
• addition: 2
• subtraction: 26
• subtraction: 2

Tags

CCSS.6.EE.B.7

What is reason 4?

• Addition Property of Equality
• Subtraction Property of Equality
• Multiplication Property of Equality
• Division Property of Equality

Tags

CCSS.HSA.REI.A.1

If ∠A and ∠B are complementary,
then m∠A + m∠B = 90°.

• Definition of Supplementary Angles
• Angle Addition Postulate
• Definition of Right Angle
• Definition of Complementary Angles

Tags

CCSS.7.G.B.5

What is step 6

• Subtraction property of equality
• Addition property of equality
• Division property of equality

Tags

CCSS.HSA.REI.A.1