Evaluate (–4 a2) for a = –3
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Evaluate 6 x2 y for x = 5 and y= 2
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Evaluate xy – z if x = –3, y = 4, and z = 5
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Evaluate 2 x2 – 3 y – z if x= –2, y = –3, and z = –1
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- –5
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Evaluate ( x + y)2 – x2– y2 if x = 4 and y = 8.
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Evaluate a+ b2 – c3 when a = 1, b = –2, and c = –3.
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Which expression has the value –12 when a = 2, b = –3, and c = –1?
a2 – b2 + c
a2 + b2 – c
- 2 abc2
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Which expression does not have the value 1 when x= 2, y= 3, and z= –4?
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If g = –3, then which expression has a value of 12?
- 7 g(–1 – 3 g)
- 7 g(–1) – 3 g
- 7 g(–1) + 3 g
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