(3r2 + 7r + 1) + (4r2 – 8r – 2)
(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
The correct response is:
7r2 + 15r - 1
(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
7r2 + 15r - 1