Respuesta :
Answer:
expression 2
Step-by-step explanation:
Which expressions are equivalent when m = 1 and m = 4?
first expression:
5m -3 and 2m + 5 + m
when m = 1
5(1) - 3 = 2 and 2(1) + 5 + 1 = 8
and m = 4
5(4) -3 =23 and 2(4) + 5 + 4 = 17
expression 1 IS NOT EQUIVALENT
second expression :
3 m + 4 and m + 4 + 2 m
when m = 1
3 (1) + 4 = 7 and 1 + 4 +2 (1) = 7
and m = 4
3 (4) + 4 = 16 and 4 + 4 +2 (4) = 16
expression 2 IS EQUIVALENT
third expression :
2 m + 7 and 3 m - 3 + m
when m = 1
2(1) + 7 = 9 and 3(1) -3 + 1 = 1
and m = 4
2(4) + 7 = 15 and 3(4) -3 + 4 = 13
expression 3 IS NOT EQUIVALENT
fourth expression :
5 m + 3 and 4 m + 2 + 2 m
when m = 1
5(1)+ 3 = 8 and 4(1) + 2 +2(1) = 8
and m = 4
5(4)+ 3 = 23 and 4(4) + 2 +2(4) = 26
expression 4 is NOT EQUIVALENT
the expression that is EXPRESSION 2