Solve the equation by completing the square.x2 + 3x - 9 = 0
A. {-3 - 3
, -3 + 3
}
B. 
C. 
D. 
Answer: D
You might also like to view...
Find the radius of convergence and the interval of convergence of the power series. ] Select the correct answer.
 multiple choice.png)
Determine i) the domain of the function, ii) the range of the function, iii) the domain of the inverse, and iv) the range of the inverse.f(x) = 
A. f(x): D = 
, R is all real numbers;
f-1(x): D is all real numbers, R = 
B. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
C. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
D. f(x): D = 
, R = 
;
f-1(x): D is all real numbers, R = 
Solve the problem.
Abbey is driving a delivery truck on a straight road. The graph shows the distance y in kilometers that Abbey is from Store A after x hours. (i) Is Abbey traveling toward or away from Store A? (ii) Find the slope of the line.
A. Away; slope is 20. B. Away; slope is 80. C. Toward; slope is -20. D. Toward; slope is -40.
Factor completely. If a polynomial cannot be factored, say it is prime.-5x3y - 3x2y2 + 2xy3
A. xy(5x + 2y)(x - y) B. -xy(5x - 2y)(x + y) C. -xy(5x + 2y)(x - y) D. prime