Decide whether the equation is conditional, an identity, or a contradiction. Give the solution set.16m + 20 = 4(2m - 11)
A. Conditional; {3}
B. Contradiction; ?
C. Conditional; {-8}
D. Identity; {all real numbers}
Answer: C
Mathematics
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and 
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A. - 
B. - 
C. -2
D. -
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For the quadratic function, tell whether the graph opens up or down and whether the graph is wider, narrower, or the same shape as the graph of 
f(x) = 3x2 - 5
A. Up; wider B. Down; wider C. Down; narrower D. Up; narrower
Mathematics
Expand the expression using the Binomial Theorem.(x + 2)6
A. x6 + 12x5 + 64x4 + 40x3 + 64x2 + 12x + 2 B. x6 + 12x5 + 60x4 + 160x3 + 240x2 + 192x + 64 C. x6 + 12x5 + 24x4 + 36x3 + 24x2 + 12x + 2 D. x6 + 12x5 + 48x4 + 144x3 + 192x2 + 192x + 64
Mathematics