Solve using the substitution method. Use a graphing calculator to check your answer. 2x + 2y = 97x + 7y = 14

A. (6, 7)
B. (1, 1)
C. No solution
D. Infinitely many solutions

Answer: C

Mathematics

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Find the absolute extreme values of the function on the interval.F(x) = - , 0.5 ? x ? 2

A. absolute maximum is -  at x = 2; absolute minimum is -8 at x = -  
B. absolute maximum is  at x = ; absolute minimum is -8 at x =2
C. absolute maximum is -  at x = 2; absolute minimum is -8 at x =  
D. absolute maximum is -  at x = ; absolute minimum is -8 at x = -2

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Mathematics

Simplify. Assume x can represent any real number.

A. 10 
B. 10x2
C. 100x
D. -10x

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Mathematics

Solve the polynomial equation using the zero product property.(2r - 4)(r + 1)(2r - 1)(x - 5) = 0

A.
B.
C.
D.

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Mathematics

Solve.A real estate agent has a rectangular lot available that measures 90 meters by 80 meters. Find its area in square feet. Round to the nearest hundredth, if necessary.

A. 77,460.48 sq ft B. 774,604.8 sq ft C. 7,200 sq ft D. 648 sq ft

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Mathematics