Let u be the vector with initial point P(5,1) and terminal point Q(2,2) . Express u in terms of i and j.
What will be an ideal response?
u = -3i + j
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Solve the problem. Use ? ? 3.14 when necessary.A cubical container measures 2 ft on each edge. What does it cost to fill the container at 
per cubic ft?
A. $10.52 B. $21.04 C. $55.34 D. $15.78
Factor the trinomial by grouping.8a3 + 10a2b - 12ab2 - 15b3
A. (8a2 - 3b2)(a + 5b) B. (2a2 - 3b)(4a + 5b) C. (2a2 - 3b2)(4a + 5b) D. (2a2 + 3b2)(4a - 5b)
Given the function, find the indicated value.f(x) = x2 - 5x + 5; f(4)
A. -9 B. 31 C. 1 D. 41
Find the vertices and foci of the given ellipse.4y2 = 52 - 13x2
A. Vertices: (
, 0) and (-
, 0);
Foci: (3, 0) and (-3, 0)
B. Vertices: (
, 0) and (-
, 0);
Foci: (4, 0) and (-4, 0)
C. Vertices: (0, 4) and (0, -4);
Foci: (0, 3) and (0, -3)
D. Vertices: (0, 
) and (0, -
);
Foci: (0, 3) and (0, -3)