Which expressions are equivalent to the one below? Check all that apply. 49^x
A. 7*7^x
B. 7^2*7^x
C.7^2x
D.(7*7)^x
E.7*7^2x
F.7^x*7^x
Which expressions are equivalent to the one below? Check all that apply. 49^x A. 7*7^x B. 7^2*7^x C.7^2x D.(7*7)^x E.7*7^2x F.7^x*7^x?
2017-08-16 6:41 pm
回答 (3)
2017-08-16 6:48 pm
49^x
= (7*7)^x …… D.
= 7^x * 7^x …… F.
= (7^x)^2
= 7^(2x) …… C.
The answers: C., D., F.
= (7*7)^x …… D.
= 7^x * 7^x …… F.
= (7^x)^2
= 7^(2x) …… C.
The answers: C., D., F.
2017-08-16 7:57 pm
A. 7*7^x = 7^1*7^x = 7^(x+1)
B. 7^2 *7^x = 49 *7^x
C. 7^(2x) = 49^x <----
D. (7*7)^x = 49^x <----
E. 7*7^(2x) = 7^(2x+1)
F. 7^x*7^x = 7^(2x) = 49^x <-----
B. 7^2 *7^x = 49 *7^x
C. 7^(2x) = 49^x <----
D. (7*7)^x = 49^x <----
E. 7*7^(2x) = 7^(2x+1)
F. 7^x*7^x = 7^(2x) = 49^x <-----
2017-08-16 7:26 pm
49^x
Answer choice:
D.(7×7)^x
Answer choice:
D.(7×7)^x
收錄日期: 2021-04-18 17:41:09
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