Which of the following lines is perpendicular to a line with the equation

y=(1)/(4)x+6

?\ A.

y=-(1)/(4)x+6

\ B.

y=-4x+6

\ C.

y=2x-3

\ D.

x=4y-3

\ What are the coordinates of the center and the radius, respectively, of the following equation for a circle?\

x^(2)+y^(2)+4x-4y=0

\ A.

(-2,2);2\\\\sqrt(2)

\ B.

(2,-2);2\\\\sqrt(2)

\ C.

(-2,2);8

\ D.

(-2,-2);8

\ 3. A line goes through the point

(4,-6)

and parallel to the line

y=0.25x+6

. What is the equation of the line?\ A.

y=0.25x+6

\ B.

y=0.25x-7

\ C.

y=-0.25x+6

\ D.

y=-0.25x-7

\ 4. Which of the following expression is equivalent to the expression

sec\\\\theta sin^(3)\\\\theta cot\\\\theta

?\ A.

cos^(2)\\\\theta

\ B.

1-cos^(2)\\\\theta

\ C.

1+cos^(2)\\\\theta

\ D.

cos\\\\theta

\ 5. What is the value of

\\\\theta

that will satisfy the following equation?\

cos^(2)\\\\theta +4cos\\\\theta +3=0

\ A.

(\\\\pi )/(2)

\ B.

\\\\pi

\ C.

2\\\\pi

\ D.

3(\\\\pi )/(2)

1. Which of the following lines is perpendicular to a line with the equation y=41x+6 ? A. y=1/4x+6 B. y=4x+6 C. y=2x3 D. x=4y3 2. What are the coordinates of the center and the radius, respectively, of the following equation for a circle? x2+y2+4x4y=0 A. (2,2);22 B. (2,2);22 C. (2,2);8 D. (2,2);8 3. A line goes through the point (4,6) and parallel to the line y=0.25x+6. What is the equati of the line? A. y=0.25x+6 B. y=0.25x7 C. y=0.25x+6 D. y=0.25x7 4. Which of the following expression is equivalent to the expression secsin3cot ? A. cos2 B. 1cos2 C. 1+cos2 D. cos 5. What is the value of that will satisfy the following equation? cos2+4cos+3=0 A. /2 B. C. 2 D. 3/2