Factor by grouping.6x2 - 4xy - 15xy + 10y2
A. (6x - 5y)(x - 2y)
B. (2x - 5)(3x - 2)
C. (2x - 5y)(3x - 2y)
D. (2x + 5y)(3x - 2y)
Answer: C
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Insert <, >, or = in the blank to make the statement true.-|-1| _____ |-7|
A. > B. < C. =
Provide an appropriate response.Which of the following are not allowable transformations when the Gaussian elimination method is used to solve a system of linear equations?(i)A multiple of elements of one row may be added to the corresponding elements of any other row.(ii)Any two columns may be interchanged.(iii)The elements of any row may be multiplied by the corresponding elements of another row.(iv)All of the elements of any row may be multiplied by any nonzero number.
A. (ii), (iii), (iv) B. (ii) C. (ii), (iii) D. (i), (iv)
Factor completely.x3 + 6x2 - 4x - 24
A. x(x - 4)(x + 6) B. (x + 2)(x - 2)(x - 6) C. (x + 2)(x - 2)(x + 6) D. (x2 + 4)(x - 6)
Find an equation of the line containing the given pair of points(2, 5) and (5, -4)
A. y = 11x - 3 B. y = -3x + 11 C. y = 11x + 3 D. y = 3x + 11