Fill in the blank with one of the words or phrases listed below.
The lowest point on a parabola that opens upward is called the 
.
A. quadratic
B. vertex
C. zero
D. square root
Answer: B
Mathematics
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Find the indicated value.Let f(x) = 5x + 4x. Find f(2).
A. 29 B. 81 C. 21 D. 41
Mathematics
Provide an appropriate response.A microwave oven sells for $240.00. The markup is 35% on cost. The cost of the oven is $280.00.
A. True B. False
Mathematics
Use the theorem on bounds to establish the best integral bounds for the roots of the equation.-5x4 - 8x2 + 1 = 0
A. -1 < x < 2 B. -1 < x < 1 C. -2 < x < 2 D. No bound can be determined.
Mathematics
Factor.42x2y + 72x3 + 6xy2
A. (18x + 6y)(4x + y) B. 6(3 + xy)(4 + xy) C. 6x(3x - y)(4x - y) D. 6x(3x + y)(4x + y)
Mathematics