Express the vector in the form v = v = v1i + v2j + v3k.7u - 2v if u = 
and v = 
A. v = 1i + 7j - 2k
B. v = 1i + 9j - 2k
C. v = 13i + 7j - 2k
D. v = 7i + 7j - 2k
Answer: A
Mathematics
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Find all rational zeros and factor f(x).f(x) = x3 - 6x2 + 5x + 12
A. -4, -3, 1; f(x) = (x + 4)(x + 3)(x - 1) B. 5, 4, -1; f(x) = (x - 5)(x - 4)(x +1) C. -5, -4, 1; f(x) = (x + 5)(x + 4)(x - 1) D. 4, 3, -1; f(x) = (x - 4)(x - 3)(x + 1)
Mathematics
Graph the parabola.y = - 
x2
A. 
B. 
C. 
D. 
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State whether the equation is the result of an identity, commutative, associative, or distributive property.7 ? 1 = 7
A. Inverse B. Distributive C. Identity D. Commutative
Mathematics
Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.-9
(2
+ 4
+ 
)
A. -72y
B. -17
+ 4
C. -72xy
D. -18
- 36x - 9x
Mathematics