Solve the system by the substitution method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(6, 9)}
B. {(9, -3)}
C. {(9, 6)}
D. {(5, 7)}
Answer: A
Mathematics
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Simplify the expression.(-6x5y)(8x3y3)
A. -48x15y3 B. 48x15y3 C. 48x8y2 D. -48x8y4
Mathematics
Graph. Label any intercepts and determine the slope of the line. If the slope is undefined, state this.x = -7
A. x-intercept: (-7, 0), m: - 
B. x-intercept: (0, -7), m: 0
C. x-intercept: (0, 0), m: -7
D. x-intercept: (-7, 0), m: undefined
Mathematics
Factor the polynomial as a perfect square or state that it is irreducible.9x2 - 6x + 1
A. (3x - 1)2 B. irreducible C. (x - 3)2 D. (3x + 1)(3x - 1)
Mathematics
Divide the polynomial by the monomial.
A. 4x4 + 3x2 B. 12x8 + 3x2 C. 4x4 + 9x6 D. 7x10
Mathematics