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

Mathematics

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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

Mathematics

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

Mathematics

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: - 

Mathematics

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

Mathematics