Determine whether the sequence is arithmetic.-1, -5, -9, -13, . . .
A. Arithmetic
B. Not arithmetic
Answer: A
Mathematics
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Factor the polynomial.x2 + 2x - 120
A. (x + 12)(x - 10) B. (x - 12)(x + 1) C. (x - 12)(x + 10) D. prime
Mathematics
Solve the problem.In how many ways can a student work 7 out of 10 questions on an exam?
A. 720 B. 120 C. 10,000,000 D. 21
Mathematics
Determine the vertex, focus, and directrix of the parabola and sketch its graph.(y + 4)2 = 12(x - 2)
A. vertex: (-2, 4)
focus: (1, 4)
directrix: x = -5
B. vertex: (-4, 2)
focus: (-1, 2)
directrix: x = -7
C. vertex: (2, -4)
focus: (-1, -4)
directrix: x = 5
D. vertex: (2, -4)
focus: (5, -4)
directrix: x = -1
Mathematics
Solve the equation.
= x - 3
A. 1, 13 B. 1, 6 C. 6 D. 6, 13
Mathematics