Find the x-intercepts (if any) for the graph of the quadratic function.f(x) = 2x2 + 26x + 72
A. (4, 0) and (9, 0)
B. (-4, 0) and (9, 0)
C. (4, 0) and (-9, 0)
D. (-4, 0) and (-9, 0)
Answer: D
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Perform the indicated operations.(2n7 - 5n5 - 2n) + (9n7 + 9n5)
A. 11n7 - 4n5 + 2n B. 11n7 - 4n5 - 2n C. 11n7 + 4n5 - 2n D. 11n7 + 4n5 + 2n
Solve the problem.List all the combinations of 4 objects 1, 2, 3, and 4 taken 3 at a time. What is C(4, 3)?
A. 111, 112, 113, 114, 121, 122, 123, 124, 131, 132, 133, 134, 141, 142, 143, 144, 211, 212, 213, 214, 221, 222, 223, 224, 231, 232, 233, 234, 241, 242, 243, 244, 311, 312, 313, 314, 321, 322, 323, 324, 331, 332, 333, 334, 341, 342, 343, 344, 411, 412, 413, 414, 421, 422, 423, 424, 431, 432, 433, 434, 441, 442, 443, 444 C(4, 3) = 64 B. 123, 124, 134, 234 C(4, 3) = 4 C. 123, 124, 134, 234, 321, 432 C(4, 3) = 6 D. 123, 124, 132, 134, 142, 143, 213, 214, 231, 234, 241, 243, 312, 314, 321, 324, 341, 342, 412, 413, 421, 423, 431, 432 C(4, 3) = 24
Use the given conditions to write an equation for the line in slope-intercept form.Passing through (2, 2) and perpendicular to the line whose equation is y = 3x + 6.
A. y = - 
x - 
B. y = - 
x + 
C. y = 
x - 
D. y = - 3x - 8
Let x be a number. Translate the expression into an English phrase.x - 72
A. Subtract a number from 72 B. 72 multiplied by a number C. Subtract 72 from a number D. The ratio of 72 and a number