Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation.(x + 6)(x + 2) ? 0
A. [-6, -2]
B. (-?, -6] ? [-2, ?)
C. (-?, -6) ? (-2, ?)
D. (-6, -2)
Answer: A
Mathematics
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Solve the formula for the specified variable.A = h(b1 + b2) for b1
A. b1 =
B. b1 =
C. b1 =
D. b1 =
Mathematics
Find the common ratio for the geometric sequence.3, ,
,
,
, ...
A. r = 3
B. r = 2
C. r = 1
D. r =
Mathematics
Simplify by combining like terms.11.2 - 12.9x - 10.5x + 9.7
A. -23.4x + 1.5 B. -24.4x + 20.9 C. -2.5x D. -23.4x + 20.9
Mathematics
Perform the indicated operation.Add.1.9x3 + 7.7x2 + 4.1 6.8x - 2.8
A. 14.1x6 + 10.6 B. 1.9x3 + 4.4x2 + 6.8x + 10.6 C. 1.9x3 + 11x2 + 5.8x - 8 D. 1.9x3 + 4.4x2 + 7.8x + 10.6
Mathematics