Question

1. Isaiah and Ron work together on their

math homework. Isaiah says that 3(x + 3) is
equivalent to 3x + 9. Ron says that the two
expressions are not equivalent. Sketch a model
of each expression to show who is correct.

Answer 1

Explanation:

They are equivalent. Use the distributive property.

3(x+3)

the 3 on the outside of the parenthesis is multiplied by the variable(the letter) and thenthe constant(number) inside the parenthesis.

makes and equivalent equation 3x+9