Solve the equation and check.
A. 
B. 
C. 
D. 
E. 
Answer: B
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Provide an appropriate response.If we apply the quadratic formula and find that the value of b2 - 4ac is positive, what can we conclude about the solutions?
A. The equation has two irrational solutions. B. The equation has two real number solutions. C. The equation has no real number solutions. D. The equation has exactly one rational solution.
Determine whether the function is a solution of the wave equation.w(x, t) = cos (-3ct) sin (-3x)
A. Yes B. No
Solve the system. x - y + 4z = 35x + z = 0 x + 5y + z = -15
A. (0, 0, -3) B. (0, -3, 3) C. (0, -3, 0) D. No solution
It is not apparent from the standard viewing window whether the graph of the quadratic function intersects the x-axis once, twice, or not at all. Experiment with various windows to determine the number of x-intercepts. If there are x-intercepts, give their values to the nearest hundredth.y = x2 + 7.9x + 15.6025
A. Two; (-3.95, 0) and (-3.90, 0) B. One; (-3.95, 0) C. One; (-4.25, 0) D. None