Determine the appropriate rotation formulas to use so that the new equation contains no xy-term.13x2 - 6xy + 7y2 - 8x + 8y = 0
A. x = 
x' - 
y' and y = 
x' + 
y'
B. x = -y' and y = x'
C. x = 
(x' - y') and y = 
(x' + y')
D. x = 
x' - 
y' and y = 
x' + 
y'
Answer: A
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Graph the equation by hand.x = 5
A. 
B. 
C. 
D. 
Find the degree measure. Round to two decimal places.
You are required to contribute 32 h of community service to the town in which your college is located. After you have contributed 12 4/5 h, how many hours of community service are still required of you?
A) 14 2/5 B) 11 1/5 C) 12 1/5 D) 36 4/5 E) 10 1/5
Identify the parent function and the transformation shown in the graph. Write an equation for the function shown in the graph.
?
?
A. Reflection in the y-axis and vertical shrink of 
.
B. Reflection in the y-axis and vertical shrink of 
.
C. Reflection in the y-axis and vertical shrink of 
.
D. Reflection in the y-axis and vertical shrink of 
.
E. Reflection in the y-axis and vertical shrink of 
.