Provide an appropriate response.Factor by removing common factors after grouping: 6x2 + 3x - 2ax - a
A. 2x(3a - 1)
B. (2x + 1)(3x - a)
C. (2x + a)(3x - 1)
D. 3ax(2x + 1)
Answer: B
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Provide an appropriate response.Describe the elements of a 4 × 4 identity matrix.
A. The matrix has ones on the main diagonal, and all other elements are zero. B. The matrix has zeroes on the main diagonal. All other elements are ones. C. The matrix has ones on the main diagonal and zeroes below the main diagonal. D. All elements of the matrix are ones.
Use a calculator to find the approximate value of the expression rounded to two decimal places.tan 61°
A. 3.87 B. 1.80 C. 1.67 D. 3.74
Find the slope of the line. 
A. - 2
B. 
C. 2
D. - 
Determine the equation of the given line, as well as the slope of the line. If the slope is undefined, state this.
A. y = x - 8, m = 1 B. y = -4, m = 0 C. x = -4, m = 0 D. y = x - 4, m: undefined