Find the center (h, k) and radius r of the circle with the given equation. x2 + y2 + 4x - 12y + 40 = 49
A. (h, k) = (6, -2); r = 7
B. (h, k) = (-2, 6); r = 7
C. (h, k) = (-6, 2); r = 49
D. (h, k) = (2, -6); r = 49
Answer: B
Mathematics
You might also like to view...
Solve the problem.A woman has $1.70 in dimes and nickels. She has 5 more dimes than nickels. How many nickels does she have?
A. 3 nickels B. 18 nickels C. 8 nickels D. 13 nickels
Mathematics
Write the following proportions.$55 is to $77 as $85 is to $119
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Solve the equation.
- 
= 3
A. 3, 8 B. 2 C. -2 D. 2, 38
Mathematics
Determine the slope and the x- and y-intercepts of the line.x = 5
A. Undefined slope No y-intercept x-intercept is (5, 0) B. Slope is 0 y-intercept is (0, 5) No x-intercept C. Undefined slope No y-intercept x-intercept is (0, 5) D. Slope is 0 y-intercept is (5, 0) No x-intercept
Mathematics