Use a graphing calculator to approximate the vertex of the graph of the parabola defined by the following equation.y = -5x2 - 4x + 6
A. (2, 6.8)
B. (-0.4, 6.8)
C. (0.4, 6.8)
D. (-0.4, 5.2)
Answer: B
Mathematics
You might also like to view...
Establish the identity.
= 
What will be an ideal response?
Mathematics
The graph of a function f is given. Use the graph to answer the question.Find the numbers, if any, at which f has a local maximum. What are the local maxima?
A. f has a local maximum at x = 0; the local maximum is 1 B. f has a local maximum at x = -? and ?; the local maximum is -1 C. f has no local maximum D. f has a local maximum at -?; the local maximum is 1
Mathematics
Factor out the greatest common factor. Simplify the factors, if possible.t(5 - m) + s(5 - m)
A. (t - s)(5 - m) B. (t + s)(5 + m) C. t(5 - m) + s D. (t + s)(5 - m)
Mathematics
Find the value of the expression.
A. 
B. 
C. 4
D. 
Mathematics