Factor the polynomial completely using the grouping method.4x2 - 9x + 6

A. (4x - 6)(x - 1)
B. (2x - 6)(2x - 1)
C. (4x - 1)(x - 6)
D. prime


Answer: D

Mathematics

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Provide an appropriate response.An oil burner heats air, then a fan blows it straight forward. As the distance from the burner increases, the temperature drops proportionally. When the distance is 2 m, the temperature is 78°. Find the constant of variation and solve to find what the temperature will be at 3 m to the nearest whole degree.

Fill in the blank(s) with the appropriate word(s).

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Find the expected value.A new light bulb has been found to have a 0.02 probability of being defective. A shop owner receives 500 bulbs of this kind. How many of these bulbs are expected to be defective?

A. 20 B. 100 C. 10 D. 500

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Solve.2x + 5 = 3(x - 1)

A. -2 B. -8 C. 2 D. 8

Mathematics

Find a polynomial function of lowest degree with rational coefficients that has the given numbers as some of its zeros.3 -  , 1 + i

A. f(x) = x4 - 8x3 + 20x2 - 24x + 12 B. f(x) = x4 + 8x3 - 20x2 + 24x + 10 C. f(x) = x4 + 10x3 + 20x2 - 24x + 12 D. f(x) = x4 - 3x3 + 20x2 - 12x + 12

Mathematics