math
posted by peter on .
Indicate whether each statement is true or false by checking the appropriate box in the table below.
a. 2x is a factor of the expression (2x + y ). True or False
b. (2x + y ) is a factor of the expression 3(2x + y ). True or False
c. (2x + y ) is a sum of two terms. True or False
d. 3(2x + y ) is a product of two terms. True or False

a. False
b. true
c. true
d. true 
thank you.
But how to you know the answer is false or ture, could you explain it. 
a. factor would be if 2x+y * something else but it is not
b. this is a factor beause it is 2x+y * something else
c. sum of two terms because two terms are added
d. yes it is a product because two terms are multiplied