Convert the polar equation to a rectangular equation.r = 
A. y2 = -2x + 1
B. y2 = 2x + 1
C. x2 = -2y + 1
D. x2 = 2y + 1
Answer: D
Mathematics
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Choose the equation that matches the graph.
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
+ 
= 1
Mathematics
Identify the figure as a line, line segment, or ray and name it using the appropriate symbol.
A. Line named 
or 
B. Ray named 
or 
C. Line segment named 
or 
D. Line named 
or 
Mathematics
Write the ratio in lowest terms.5 feet to 2
feet
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the expression.cos 
cos 
+ sin 
sin 
A. 
B. 
C. 
D. 1
Mathematics