Today: Alt. Khan Due Test Tuesday on Properties & Proofs Warm-Up Final Handout/Test Prep for Properties & Proofs All Class Work from this week Due Today: (1-4), (1-6), (Algebraic Proof) Regular Khan Due by 7:00 pm Sunday November 15, 2013
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Today:
Alt. Khan Due Test Tuesday on Properties &
Proofs Warm-Up
Final Handout/Test Prep for Properties & Proofs
All Class Work from this week Due Today: (1-4), (1-6), (Algebraic
Proof) Regular Khan Due by 7:00 pm
Sunday
November 15, 2013
Warm-Up:1. What is the solution set to |x – 3|< 1?2. Eighty students took an exam. One-fourth of the students received an ‘A’. Of these, one-fifth got a perfect score. How many students received a perfect score?3. - 4. The length of a rectangle is
2 less than 3 times the width. The perimeter is 60 inches. Find the width.
Proofs (2):
Proof # 1Given: 2t + 3 = 7, Prove: t = 2Statements Reasons
2t + 3 – 3 = 7 – 3 Subtraction POE 2t + 3 = 7 Given
2t = 4 Substitution
2t/2 = 4/2 Division POE t = 2 Substitution
IfWrite a two-column proof. then
Statements ReasonsProof:
1. Given1.
2. 2. Multiplication Property
3. 3. Substitution
4. 4. Subtraction Property
5. 5. Substitution
6. 6. Division Property
7. 7. Substitution
Class Work:
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