13 Questions Add polynomials (linear & quadratic) for 9th grade Add polynomials of degrees one and two. Based on TEKS [Algebra 1] standard 10A and high school. CommonCore standard A-APR.A.1, grade9 2m + 3m = 5m 5 + 2m 5m^2 6m^2 What is the sum 4a + (6 + a)? 11a 5a + 6 10a^2 4a^2 + 6 The sum (6y − 3) + (2y +1) is equal to 6y 8y − 2 6y^2 8y^2 − 2 … and 10 more awesome questions! Check them out by clicking “Play”.