Solve the system of equations by the substitution method. Check your solutions. For any dependent equations, write your answer in ordered pair form.

A. {(-7, -8), (8, 7)}
B. {(7, 8), (8, 7)}
C. {(7, -8), (8, -7)}
D. {(-7, 8), (-8, 7)}


Answer: A

Mathematics

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Factor completely the polynomial. Indicate any that are not factorable using integers.24x 2 + 58x + 35

A. (4x - 5)(6x - 7) B. (4x + 5)(6x - 7) C. (4x - 5)(6x + 7) D. (4x + 5)(6x + 7) E. not factorable

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Find the value of the radical expression.

A. 21 B. -21 C. 220 D. 22

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Provide an appropriate response. If the discriminant of a quadratic has the value of 0, what is the nature of the roots?

A. The equation has no real number roots. B. The equation has two real number roots. C. The equation has two real number equal roots. D. The equation has two rational, equal, root.

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Find the indicated one-sided limit. ? 

A. 0 B. 1 C. 2 D. -1 E. -2

Mathematics