12) D D C

Q: Evaluate and simplify y′. y =  xe-10x

A:

Q: Complete the equation. arcsin arccos x2 - 6x + 90

A: Let ,  θ=arccos9x2-6x+90cos(θ)=9x2-6x+90 We know that cos = adjacent / hypotenuse  use Pythagorean…

Q: y = -4x – 2 X - 2 1 1 2 y

A: Given, y=-4x-2

Q: Write an equation that relates the variables y and u.?

A:

Q: 7. Find both points on the line y = 3 that are 10 units from (2, -3).

A:

Q: Convert (-2.-2V3) to polar coordinates.

A: It is given that, the coordinates-2,-23.  We have to find its polar coordinates. We have, (-2,-23)…

Q: Give the equation of the line passing through the point (– 3, – 9) that is parallel to y =

A: We will find the equation of the line.

Q: A Particle start from the point (-2,-3) and to the point (-6 -7) Find the change ?in coordinates of…

A: A particle start from point (-2,-3) and to the point (-6,-7).

Q: 3. (7x-1) 125

A:

Q: А. (-4, 2) В. (2, 4) О с. (2,4) D. (-2,-4)

A: The rules of reflection points are: If the point is reflected over the x-axis, the coordinate of y…

Q: Convert 12r=cosec(theta) into a rectangular equation.

A: Converting from Polar Coordinates to Rectangular Coordinates Given the polar coordinate (r,θ),…

Q: For u= (7. - 4) and v = (- 1, - 5). find the component form and the magnitude of u + v. u+v = OD…

A: u=7-4,   v=-1-5 . u+v=7-4+-1-5 u+v=7+-1-4+-5 u+v=6-9

Q: Graph the ordered pair on a polar coordinate system. (-2. - ) 3

A:

Q: z²y°(-5x°y²)

A: