Tell whether the expression is a monomial. If it is, name the variable(s) and coefficient, and give the degree of the monomial.
A. Monomial; variables x, y; coefficient 6; degree 1
B. Monomial; variables x, y; coefficient 6; degree 2
C. Monomial; variables x, y; coefficient 6; degree -2
D. Not a monomial
Answer: D
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Solve.The sum of the squares of two numbers is 145 and the difference of their squares is 17. Find the two numbers
A. 8 and 9; 8 and -9; -8 and 9; -8 and -9 B. 8 and 9; 8 and -9 C. 8 and 9 D. 8 and 9; -8 and -9
Factor completely. If the polynomial is prime, state this.49x2+ 84xy + 36y2
A. Prime B. (7x + 6y)(7x - 6y) C. (7x - 6y)2 D. (7x + 6y)2
Perform the indicated operation and simplify. -
A.
B.
C.
D.
Name the property illustrated by the statement.-(-6) = 6
A. commutative property of multiplication B. inverse property of multiplication C. double negative property D. identity property of multiplication