Use the graph of y = ax2 + bx + c to solve the quadratic equation or inequality.ax2 + bx + c ? 0
A. x < -3 or x < 6
B. 3 ? x ? 6
C. 3 < x < 6 or x > 6
D. x ? 3 or x ? 6
Answer: D
You might also like to view...
Solve the problem.At a ticket booth, customers arrive randomly at a rate of x per hour. The average line length is 
where 
To keep the time waiting in line reasonable, it is decided that the average line length should not exceed 6 customers. Solve the inequality 
to determine the rates x per hour at which customers can arrive before a second attendant is needed.
A. 0 ? x ? 18 B. 0 ? x ? 19 C. 0 ? x ? 16 D. 0 ? x ? 17
Use the circle graph to solve the problem.A survey of the 3769 vehicles on the campus of State University yielded the following circle graph.
What percent of the vehicles are hatchbacks?
A. 7% B. 132% C. 27% D. 35%
Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.f(x) = 8x6 - 5x4 - 6x3 + 6x2 - 5x
A. 1 or 3 positive; 2 negative B. 0 or 2 positive; 1 or 3 negative C. 0 or 2 positive; 0 negative D. 1 or 3 positive; 0 or 2 negative
Find the slope and y-intercept of the line.7x + 8y = 7
A. slope = 7; y-intercept = 7
B. slope = 
; y-intercept = - 
C. slope = - 
; y-intercept = 
D. slope = 
; y-intercept = 