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

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.
- $7 x ^ { 2 } - x - 7 \left( 4 x ^ { 2 } - 7 x + 2 \right)$

• A) a) 3
• b) \(- 21 x ^ { 2 } , - 8 x , 2\)
• c) \(- 21 , - 8,2\)
• B) a) 3
• b) \(- 21 x ^ { 2 } , 6 x , - 2\)
• c) \(- 21,6 , - 2\)
• C) a) 3
• b) \(- 21 x ^ { 2 } , - 50 x , - 14\)
• c) \(- 21 , - 50 , - 14\)
• D) a) 3
• b) \(- 21 \mathrm { x } ^ { 2 } , 48 \mathrm { x } , - 14\)
• c) \(- 21,48 , - 14\)

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