Determine the constant term that must be added to the expression to make it a perfect square.x2 - ax
A. 
B. - 
C. 
D. - 
Answer: A
You might also like to view...
Evaluate the integral. The integral may not require integration by parts.
dx
A. 
ln
+ C
B. x9 sec x9 + C
C. 8 ln
+ C
D. 
ln
+ C
Use the graph of the function f(x) to locate the local extrema and identify the intervals where the function is concave up and concave down.
A. Local minimum at x = 3 ; local maximum at x = -3 ; concave up on (-?, -3) and (3, ?); concave down on (-3, 3) B. Local minimum at x = 3 ; local maximum at x = -3 ; concave down on (-?, -3) and (3, ?); concave up on (-3, 3) C. Local minimum at x = 3 ; local maximum at x = -3 ; concave up on (0, ?); concave down on (-?, 0) D. Local minimum at x = 3 ; local maximum at x = -3 ; concave down on (0, ?); concave up on (-?, 0)
Solve and graph. Write the answer in set-builder notation.
? 7 
A. {x |x ? 21}
B. {x |x > 21}
C. {x |x < 21}
D. {x |x ? 21}
Solve the problem.A standardized math test was given to 6000 students. The scores were normally distributed with a mean of 380 and a standard deviation of 50. How many students scored between 380 and 480?
A. 2040 B. 5700 C. 2850 D. 4080