Factor completely.4x2 - 20x + 24

A. (4x - 8)(x - 3)
B. 4(x - 2)(x - 3)
C. (x - 2)(4x - 12)
D. 4(x - 6)(x + 1)


Answer: B

Mathematics

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Use a calculator to find the value of y in degrees rounded to two decimal places.y = sin-1 0.9128

A. 67.89° B. 70.89° C. 65.89° D. 60.89°

Mathematics

Simplify the following by combining like terms.- x2 + x +  + x2 + x - 

A. - x4 + x2 + 
B. - x2 + x - 
C. - x2 + x + 
D. x6 + 

Mathematics

Find the absolute value of the complex number.z = 5i

A. 5 B. 25 C. -5 D. 5i

Mathematics

Find a complex number w satisfying the conditions. z = 2 - 3i,  = 8 = , Re{w} < 0

A. w = -16 + 24i B. w = 16 - 24i C. w = -16 - 24i D. w = 16 + 24i

Mathematics