Use the discriminant to determine the number of real solutions.25x2 + 10x + 1 = 0
A. One real solution
B. Two real solutions
C. No real solutions
Answer: A
You might also like to view...
Find the quadratic approximation of f at x = 0.f(x) = 
A. Q(x) = 2x
B. Q(x) = 
C. Q(x) = 1 + 
D. Q(x) = 1 + 2x
Solve the problem.Let 
represent the number of students present in a large class, where x represents the number of hours of study required weekly. What is the rate of change of the number of students in the class with respect to the number of hours of study?
A. 163 B. 13 C. -163 D. -13
Find the x- and y-intercepts of the graph of the given equation, if they exist. Then graph the equation.y = -6 - 8x
A. x: 
; y: -6
B. x: - 
; y: -6
C. x: -6; y: 
D. x: -6; y: - 
Find the center (h, k) and radius r of the circle with the given equation. x2 + y2 = 16
A. (h, k) = (0, 0); r = 16 B. (h, k) = (4, 4); r = 4 C. (h, k) = (4, 4); r = 16 D. (h, k) = (0, 0); r = 4