Question

What is the sum or difference?
1. 3x8 – 7x8
(1 point)
(0 pts) –4x16
(0 pts) –21x8
(1 pt) –4x8
(0 pts) 10x8
1 /1 point
2. 6y5 – 9y5
(1 point)
(0 pts) –3y10
(0 pts) 15y5
(0 pts) –54y5
(1 pt) –3y5
1 /1 point
Write the polynomial in standard form. Then name the polynomial based on its degree and number of terms.


3. 2 – 11x2 – 8x + 6x2
(1 point)
(1 pt) –5x2 – 8x + 2; quadratic trinomial
(0 pts) –5x2 – 8x; quadratic binomial
(0 pts) –6x2 – 8x – 2; cubic polynomial
(0 pts) 6x2 – 8x + 2; cubic trinomial
1 /1 point
4.