Mathematics, 30.11.2019 11:31 Eylul30
1.what is the correct reason for statement 2?
prove: 2(w + 6) + 4 = 2w + 16
statements reasons
1. 2(w + 6) + 4 1. given
2. (2w + 12) + 4 2. ?
3. 2w + (12 + 4) 3. associative property
4. 2w + 16 4. addition
2.what is the correct reason for statement 2?
prove: 4 + 3x + (x β 2) = 5x + 4
statements reasons
1. 4 + 3x + (x β 2) 1. given
2. 4 + 3x + 2x 2. ?
3. 4 + 5x 3. addition
4. 5x + 4 4. commutative property
3.what is the correct reason for statement 3?
prove: (11m) β 4 + m = 45m
statements reasons
1. (11m) β 4 + m 1. given
2. 4 β (11m) + m 2. commutative property
3. (4 β 11) β m + m 3. ?
4. 44m + m 4. commutative property
5. 45m 5. addition
4.what is the correct reason for statement 5?
prove: k + 4 + 6(1 + k) = 11k + 10
statements reasons
1. k + 4 + 6(1 + k) 1. given
2. k + 4 + (6+ 6k) 2. distributive property
3. k + (4 + 6) + 6k 3. associative property
4. k + 10 + 6k 4. addition
5. k + 6k + 10 5. ?
6. 7k + 10 6. addition
5.select the correct reasons for statements 1 and 3 to complete the proof.
prove: 3x + 2 β’ x β’ 11 = 25x.
1. 3x + 2 β’ x β’ 11 = 3x + 2 β’ 11 β’ x 1. ?
2. 3x + 2 β’ x β’ 11 = 3x + 22x 2. multiplication
3. 3x + 2 β’ x β’ 11 = 25x 3. ?
Answers: 1
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1.what is the correct reason for statement 2?
prove: 2(w + 6) + 4 = 2w + 16
statements...
prove: 2(w + 6) + 4 = 2w + 16
statements...
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