Consider only the discriminant, b2 - 4ac, to determine whether one real-number solution, two different real-number solutions, or two different imaginary-number solutions exist.9x2 - 6x + 1 = 0
A. Two different imaginary-number solutions
B. Two different real-number solutions
C. One real solution
Answer: C
Mathematics
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For the initial value problem, compute the first two approximations u1 and u2 given by Euler's method using the given time step.y'(t) = 5 - y, y(0) = 4; ?t = 0.1
A. u1 = 4.1; u2 = 4.91 B. u1 = 4.9; u2 = 4.91 C. u1 = 4.9; u2 = 4.19 D. u1 = 4.1; u2 = 4.19
Mathematics
Find the x- and y-intercepts of the graph.
A. x-intercept: 2, y-intercept: -8 B. x-intercept: -8, y-intercept: 2 C. x-intercept: 8, y-intercept: -2 D. x-intercept: 2, y-intercept: 8
Mathematics
Graph the solution set of the inequality, where x is an integer, on the number line.-1 < x + 2 ? 6
A. 
B. 
C. 
D. 
Mathematics
Graph the circle.x2 + y2 = 25
A. 
B. 
C. 
D. 
Mathematics