Question

When n = 6, which of the expressions below will be greater than 175? Select all that

apply.
A) n^3-4n + (3n -10)
B) 5n^2-3n
C) 14n + (10x5)
D) 5(na^2+ 4n) - (10x8)
MULTIPLE CHOICE

Answer 1

The answers are A and B

Answer 2

Since n=6, replace n with 6.

A) 6^3-4(6)+[3(6)-10]

B) 6(6)^2-3(6)

C) 14(6)+(10x5)

D) 5[6a^2+4(6)]-(10x8)

A) 216-24+18-10

200

B) 1296-18

1278

C) 84+50

134

D) 30a^2+24-80

30a^2-56

So the answers are A and B

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