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Geometry Warm up #3 2-5 ALGEBRA PROOFS Properties of Equality—(Don’t write, they’re on your PAPER!) These are the same properties but with Congruence signs instead of equals. Distributive Property—Add to Notes! Problem 1 Problem 2 What is the value of x? Justify each step. Try with a Partner Proofs Don’t need to write just READ! Proof #1 (Copy the T-chart on your paper!!) It will give you the 1st step First reason is always “given” STEP 1. 3x = 7 – 1/2x REASON 1. GIVEN 2. 6x = 14 – x 2. Multiplication Property 3. 7x = 14 3. Addition Property 4. x = 2 4. Division Property TOO: 3 Steps Step 1. 2x + 3 = 11 Reason 1. Given 2. 2x = 8 2. Subtraction Property 3. x = 4 3. Division Property Homework •2-5 Worksheet •Have a great weekend! •Modeling Monday!!!!!