Integers and polynomials are both closed under _[blank 1]_.
This statement means that if you _[blank 2]_ two integers or two polynomials, the result _[blank 3]_.

Match each blank with the words or phrases that correctly fill in each blank to make the previous two sentences true.

Black 1 options
Addition, subtraction, and multiplication
Addition only
Subtraction and multiplication only
Multiplication only
Subtraction only
Addition and subtraction only
Addition and multiplication only

Blank 2 options
Add or multiply
Subtract
Add or subtract
Multiply
Subtract or multiply
Add
Add, subtract, or multiply

Blank 3 options
Is another integer or polynomial
Could be something other than an integer or polynomial
Is never another integer or polynomial