What is the factored form of the expression?
r2 – 49
(1 point)
Responses
(r – 7)(r + 7)
( r – 7)( r + 7)
(r + 7)(r + 7)
( r + 7)( r + 7)
(r – 7)(r – 7)
( r – 7)( r – 7)
(r – 7)(r + 9)
1 answer
(r - 7)(r + 7)
r2 – 49
(1 point)
Responses
(r – 7)(r + 7)
( r – 7)( r + 7)
(r + 7)(r + 7)
( r + 7)( r + 7)
(r – 7)(r – 7)
( r – 7)( r – 7)
(r – 7)(r + 9)
1 answer
1 answer
1 answer
1 answer
1 answer