Provide an appropriate response.A student solved an equation by the quadratic formula and reached the step x = 
.What are the solutions of the original equation?
A. 2, 3
B. 5
C. 5, - 1
D. The equation has no real number solutions.
Answer: C
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For the given polar equation, write an equivalent rectangular equation.r2 = 22r cos ?
A. x = 22 B. (x - 11)2 + y2 = 0 C. x2 + (y - 11)2 = 121 D. (x - 11)2 + y2 = 121
Write the augmented matrix for the system. 5x + 9z = 26 7y + 8z = 18 4x + 3y + 9z = 22
A. 
B. 
C. 
D. 
The following spinner is used to play a board game. Expressing your answer as a fraction in simplest form, what is the probability that the spinner will land on the specified place? 
Find the probability that the spinner points toward a number less than 9.
A. 0
B. 1
C. 
D. 
Find the value of the unknown coordinate so that the distance between the points is as given.(1, 2) and (9, y); distance is 10
A. y = 8, y = -4 B. y = 14.81, y = -10.81 C. y = 4, y = 0 D. y = 38, y = -162