Fill in the blank(s) using elementary row operations to form a row-equivalent matrix.
?
?
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: E
Mathematics
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Let x be a number. Translate the English phrase or sentence into a mathematical expression. 49 decreased by a number
A. 49 - x B. 49 ÷ x C. 49 + x D. x - 49
Mathematics
Provide an appropriate response.The 
of a polynomial is the common factor with the greatest coefficient and highest degree.
A. common factor B. least common multiple C. greatest common factor D. term
Mathematics
Determine if matrix A is invertible.A = 
A. Not invertible B. Invertible
Mathematics
Solve by using the quadratic formula.x2 + 7x + 3 = 0
A. 
B. 
C. 
D. 
Mathematics