Find the expression.u = -10i - 2j, v = -8i + 7j
Find u - v.
A. -2i - 9j
B. -4i + 5j
C. -18i + 5j
D. -3i + 5j
Answer: A
Mathematics
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Solve the problem.Find an equation of the function f sketched below in the form 
. Use the vertex to find the values of h and k and use a second point on the graph to find the value of a.
A. f(x) = (x + 1)2 - 1 B. f(x) = (x + 1)2 + 1 C. f(x) = (x - 1)2 - 1 D. f(x) = (x - 1)2 + 1
Mathematics
Solve and graph the inequality and graph the solution.12z + 4 ? 11z + 15
A. (-?, 11]
B. (12, ?)
C. [11, ?)
D. (-?, 12)
Mathematics
Factor by grouping.6x2 - 8x + 15x - 20
A. (2x - 5)(3x + 4) B. (6x - 5)(x + 4) C. (2x + 5)(3x - 4) D. (6x + 5)(x - 4)
Mathematics
Evaluate.c1
A. -1 B. c C. 1 D. 0
Mathematics