Multiply and simplify.
? 
A. 1
B. 
C. -1
D. 0
Answer: A
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Determine whether the vectors v and w are parallel.v = 
, w = 
A. Not parallel B. Parallel
Fill in the blank with one of the words or phrases listed below. 
A(n) 
is a function whose domain is the set of natural numbers {1, 2, 3, . . . , n}, where n is some natural number.
A. series B. finite sequence C. factorial of n D. infinite sequence
Find the direction the parabola opens, the coordinates of the vertex, the equation of the axis of symmetry and draw the graph.x = 3(y + 4)2 + 2 
A. 
opens left; vertex (- 2, - 4);
axis of symmetry y = - 4
B. 
opens right; vertex (- 2, - 4);
axis of symmetry y = - 4
C. 
opens right; vertex (2, - 4);
axis of symmetry y = - 4
D. 
opens right; vertex (2, 4);
axis of symmetry y = 4
Add the numbers using the number line.-7 + 0 
A. -7 B. -70 C. 7 D. 0