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
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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
Simplify. Assume x can represent any real number.
A. 10
B. 10x2
C. 100x
D. -10x
Solve the polynomial equation using the zero product property.(2r - 4)(r + 1)(2r - 1)(x - 5) = 0
A.
B.
C.
D.
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