Warmup Arrange the following pieces of the story in order based on logic a.) I went shopping an hour...
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Transcript of Warmup Arrange the following pieces of the story in order based on logic a.) I went shopping an hour...
Warmup
Arrange the following pieces of the story in order based on logic
a.) I went shopping an hour away from home
b.) I had the breaks checked in my car to make sure it was safe to drive
c.) I had to deposit my paycheck
d.) I had to withdraw cash from the bank to make sure I could pay the mechanic a deposit prior to service
2.4/2.5: Mathematical reasoning, an intro to
proofsLEQ: How do we write formal proofs using proper
mathematical reasoning?
Make foldable using textbooks, p. 103
Give reasons for the following steps:
5x+5=105x=5 x=1
x+y=z and z=19x+y=19
10=x/440=xx=40
Given
Subtraction PropertyDivision Property
Given
Substitution/Transitive
Given
Multiplication P.Symmetric P.
Ex. 1: Prove that m<x=43
x
2x+10O
A
C
B
Given: m<AOC=139
Statements: Reasons:
Ex. 2: Prove x=20.Given: Ray LM bisects<KLN.Statements: Reasons:
2x+40
4x
M
L
K
N
HWK
P. 106◦3-23 all
My mom, gram, and I used to go to Hoss’s on Saturdays. Since I’m an employee, I get 20% off as well as my family. One manager takes 20% off the whole check (which includes all our meals) and another takes 20% each individual’s check and then we pay altogether. Which is the better deal?
Hwk Answers
Hwk Solutions
2.5: Proving angles congruent.
Prove that vertical angles are congruent.Statements Reasons
Ex: Prove if 2 angles are congruent and supplementary, then each angle is 90⁰.
Statements Reasons
Hwk: Proof worksheet