Graph the equation in the rectangular coordinate system.y = -3
A. 
B. 
C. 
D. 
Answer: C
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Place your graphing calculator in parametric and degree modes. Set the window for Tmin=0, Tmax=360, Tstep=1, Xmin= -1.8, Xmax=1.8, Xscl=1, Ymin= -1.2, Ymax=1.2, Yscl=1. Set the functions to X1T=cos T, Y1T=sin T. Graph the circle of radius 1 on the screen. Use the trace feature to move a short distance around the circle.For what angle T is cos T ? 0.766? (Assume 0° ? T ? 90°.)
A. 40° B. 36.832° C. 50° D. 0.766°
Solve.In a distant solar system the diameter of planet A is 9 times as great as the diameter of planet B. The diameter of planet B is 867 miles. Find the diameter of planet A.
A. 7793 mi. B. 7803 mi. C. 7703 mi. D. 7794 mi.
Write the exponential equation as an equation involving a logarithm.4-2 = 
A. log4-2 = 
B. log1/164 = -2
C. log-2
= 4
D. log4
= -2
Rotate the axes so that the new equation contains no xy-term. Graph the new equation.x2 + 2xy + y2 - 8x + 8y = 0
A. 
B. 