Related Benchmark: MAFS.912.A-APR.1.1
Reporting Category: Algebra: Arithmetic with Polynomials & Rational Expressions
Type: GRID: Graphic Response Item Display
Roxanne wants to test the idea that polynomials are closed under addition. Her work and explanation are shown.
Drag an expression and phrases to the boxes to complete the statement.
Add to ____________________. The sum is closed because ______________ are ________________ and by definition the sum is a polynomial.
Add to . the sum is closed because the exponents are whole numbers and by definition the sum is a polynomial.