Use the dot product to determine whether the vectors are parallel, orthogonal, or neither.v = 2i + j, w = i - 2j
A. orthogonal
B. parallel
C. neither
Answer: A
Mathematics
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Solve the equation.18x2 + 39x + 1 = -19
A. - 
, - 
B. 
, 
C. - 
, - 
D. 
, 
Mathematics
Find the axis of symmetry of the given function.y = 2x2 - 20x + 58
A. x = 5 B. x = 0 C. x = 8 D. x = -8
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 
D. 
Mathematics
Determine if the function is increasing or decreasing over the interval indicated.f(x) = ?x - 8?; (-?, 8)
A. Increasing B. Decreasing
Mathematics