(3r2 + 7r + 1) + (4r2 – 8r – 2)

Question

(1 point)
Responses

7r2 + 15r – 1
7 r 2 + 15 r – 1

7r2 – r – 1
7 r 2 – r – 1

7r2 – 15r – 3
7 r 2 – 15 r – 3

–r2 – r – 1
– r 2 – r – 1

Answer 1

The correct response is:
7r2 + 15r - 1