Algebraic Proofs - 10/22

State the postulate that can be used to show this statement true:

The planes J and K intersect at line m.

State the postulate that can be used to show each statement is true:

The lines ℓ and m intersect at point Q.

The intersection of two planes contains at least two points.

• Always True

• Sometimes True

• Never True

Three collinear points determine a plane.

• Always true

• Sometimes True

• Never True

Step 2 is what

• Substitution property (simplify)
• Multiplication property of equality
• Division property of equality
• Distributive Property

Tags

CCSS.HSA.REI.A.1

What is step 4

• Substitution property (simplify)
• Addition property of equality
• Subtraction property of equality

Tags

CCSS.HSA.REI.A.1

What is step 6

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

Tags

CCSS.HSA.REI.A.1

Step 1 is what

• addition property of equality
• given
• subtraction property of equality
• prove

Tags

CCSS.HSA.REI.A.1

What is reason 2?

• Given
• Addition Property of Equality
• Subtraction Property of Equality
• Substitution Property of Equality

Tags

CCSS.HSA.REI.A.1

What is reason 3?

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

Tags

CCSS.HSA.REI.A.1