Graph the polar equation.r = 
Identify the directrix and vertex. 
A. directrix: 1 unit(s) below
the pole at y = -1
vertex: 
B. directrix: 1 unit(s) to the right of
the pole at x = 1
vertex: 
C. directrix: 1 unit(s) above
the pole at y = 1
vertex: 
D. directrix: 1 unit(s) to the left of
the pole at x = -1
vertex: 
Answer: D
You might also like to view...
Solve the problem. If necessary, use notation such as 0.
, 0.
, or 0.
, unless otherwise stated. Convert to a decimal: On the last quiz in Matthew's biology class, 15 out of the 16 students got a B.
A. 0.93
B. 0.9
C. 0.937
D. 0.9375
Solve. Round decimals to the nearest thousandth and percents to the nearest tenth of a percent.Write the equivalent decimal and percent for 
.
A. 0.834; 83.4% B. 0.714; 71.4% C. 0.714; 7.14% D. 0.834; 834%
Provide an appropriate response.A student solved the system of equations x + 2y = 45x + 10y = 20for x in the first equation, and substituted into the second equation. The y's also disappeared in the process. The student claimed that the system of equations has no solution. Is this correct?
Fill in the blank(s) with the appropriate word(s).
Solve the problem.Jamil always throws loose change into a pencil holder on his desk and takes it out every two weeks. This time it is all nickels and dimes. There are 2 times as many dimes as nickels, and the value of the dimes is $0.90 more than the value of the nickels. How many nickels and dimes does Jamil have?
A. 6 nickels and 12 dimes B. 5 nickels and 10 dimes C. 12 nickels and 6 dimes D. 7 nickels and 14 dimes