Name the quadrant in which the angle ? lies.sin ? > 0, cos ? > 0
A. I
B. II
C. III
D. IV
Answer: A
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Use the discriminant to determine whether the quadratic equation has two unequal real solutions, a repeated real solution, or no real solution without solving the equation.x2 - 3x + 5 = 0
A. repeated real solution B. two unequal real solutions C. no real solution
Convert the polar equation to a rectangular equation. Then determine the graph's slope and y-intercept.r cos 
= 1
A. y = -x
+ 2; slope: -
; y-intercept: 2
B. y = x
- 2; slope: 
; y-intercept: -2
C. y = x
+ 2; slope: 
; y-intercept: 2
D. y = -x
- 2; slope: -
; y-intercept: -2
Evaluate to four decimal places using a calculator.e2.8
A. 1.0296 B. 18.1741 C. 7.6112 D. 16.4446
Convert the given polar coordinates of the point to rectangular coordinates.(3, 150°)
A. 
B. 
C. 
D. 