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For the Expression,
A) Determine the Number of Terms;
B) 7x2x7(4x27x+2)7 x ^ { 2 } - x - 7 \left( 4 x ^ { 2 } - 7 x + 2 \right)

Question 475

Multiple Choice

For the expression,
a) determine the number of terms;
b) write down each term; and
c) write down the coefficient for each.
Be sure to simplify the expression before answering.
- 7x2x7(4x27x+2) 7 x ^ { 2 } - x - 7 \left( 4 x ^ { 2 } - 7 x + 2 \right)


A) a) 3
b) 21x2,8x,2- 21 x ^ { 2 } , - 8 x , 2
c) 21,8,2- 21 , - 8,2

B) a) 3
b) 21x2,6x,2- 21 x ^ { 2 } , 6 x , - 2
c) 21,6,2- 21,6 , - 2

C) a) 3
b) 21x2,50x,14- 21 x ^ { 2 } , - 50 x , - 14
c) 21,50,14- 21 , - 50 , - 14

D) a) 3
b) 21x2,48x,14- 21 \mathrm { x } ^ { 2 } , 48 \mathrm { x } , - 14
c) 21,48,14- 21,48 , - 14

Correct Answer:

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