Mathematics, 04.09.2020 18:01 quay84
For question 1, use the reasons found in the Reasoning Bank below, to complete the proof.
1.Given: AB = 64; M lies on the line AB AM=4x+4 BM=6x-10
Prove: M is a midpoint.
StatementsReasons
1) M lies on AB
AB = 641 )
2) AM + MB = AB2 ) segment addition postulate
3) 4x + 4 + 6x – 10 = 643) Substitution Property
4) 10x – 6 = 644 )
5) 10x = 705 )
6) x = 76 )
7) AM = 4(7) + 4 and
MB = 6(7) - 107) Substitution Property
8) AM = 32 and MB = 328) Simplifying
9) M is a midpoint9 ) definition of midpoint
Reasoning Bank
Now that you have completed a proof by filling in the reasons for someone else’s statements (their work/steps), try to do a little bit of both on your own. You do not have to turn in your work for how you problem-solve through this proof or the next one, but you should write it out on your own to help you complete the rest of the sample work assignment.
For question 2, use your GeomA Reference sheet (posted on the Message Board), to complete the proof.
2.Given: Angles 1 and 2 are a linear pair. Prove that x = 16
StatementsReasons
1) Angles 1 and 2 are a linear
pair.1) Given
2) Angles 1 and 2 are
supplementary.2) Linear Pair Postulate
3) m∠1 + m∠2 = 180° 3)
4) 10x + 1 + x + 3 = 180 4)
5) 11x + 4 = 180 5)
6) 11x = 176 6)
7) x = 16 7)
For question 3, use your GeomA Reference sheet (posted on the Message Board), to complete the proof.
3. Given: 8(3x-4)=15x+40
Prove: x = 8
StatementsReasons
1 ) 1)
2) 24x-32=15x+40 2)
3 )3) Addition Property of Equality
4) 9x = 72 4)
5 ) 5)
Answers: 1
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For question 1, use the reasons found in the Reasoning Bank below, to complete the proof.
1.Given:...
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