Determine if the matrix is in row-echelon form.
A. No
B. Yes
Answer: B
Mathematics
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Factor by grouping.4yx + 3x + 8y + 6
A. (4y + 2)(x + 3) B. (y + 3)(4x + 2) C. (4y + 1)(x + 6) D. (4y + 3)(x + 2)
Mathematics
Find the slope of the polar curve at the indicated point.r = 7(1 + cos?), ? = 
A. -2
B. 0
C. 3
D. 
Mathematics
Find the product. Write the answer in standard form.(4 - 5i)(6 - 6i)
A. 30i2 - 54i + 24 B. -6 - 54i C. -6 + 54i D. 54 - 6i
Mathematics
Find an equation of the line that contains the points listed in the table.
A. y = x - 10 B. y = -5x C. y = 5 - x D. y = x - 5
Mathematics