Coordinate system Questions

Math

Coordinate system Solutions

Which set of transformations is needed to graph f(x) = -0.1cos(x) - 4 from the parent cosine function? (1) reflection across the y-axis, vertical compression by a factor of 0.1, vertical translation 4 units up (2) reflection across the x-axis, vertical compression by a factor of 0.1, vertical translation 4 units down (3) vertical stretching by a factor of 0.1, vertical translation 4 units down, reflection across the y-axis (4) vertical stretching by a factor of 0.1, vertical translation 4 units up, reflection across the x-axis

Math

Coordinate system Solutions

Each week, Marcia travels to the office where she works, the supermarket, and a local fitness center. The three locations represent the vertices of a triangle. Marcia wants to move to an apartment that is equidistant from these three places. Where should her new apartment be located? (A) the center of the inscribed circle of the triangle (B) the center of the circumscribed circle of the triangle (C) the point of intersection of the angle bisectors for the triangle (D) the point of intersection of the perpendicular bisectors and the angle bisectors for the triangle.

Math

Coordinate system Solutions

A company discovers that to produce x = 660 new electronic parts, it will cost y = $51,080. To produce 850 new electronic parts, it will cost $63,050. Compute the slope of the costs and choose the most accurate statement from the following: ○ Costs are decreasing at a rate of $63 per item. ○ Costs are increasing at a rate of $64 per item. ○ Costs are decreasing at a rate of $57 per item. ○ Costs are increasing at a rate of $57 per item. ○ Costs are increasing at a rate of $63 per item. ○ Costs are decreasing at a rate of $64 per item.

Math

Coordinate system Solutions

Translation A maps (x, y) to (x +r,y+s). Translation B maps (x, y) to (x – a,y+b). Translate a point using Translation B, then Translation A. Write a rule for the final image of the point. (x,y) → (._____________ ___________) a). type x coordinate. Don't type parenthesis. * b). type y coordinate. Don't type parenthesis.

Math

Coordinate system Solutions

The vertices of a square are H(0,2), I(2,0), J(0-2), and K(-2,0). Which statements are true of the image of HIJK after the given composition of transformations? Select all that apply. Step 1: x,y) → (-y,x) Step 2: (x,y) → (3x, 3y) a)H"(-2,0) b) HIJK = H'I'J'K' c)H'I'J'K'~H"T")"K" d)J"(6,0) e)y= x is a line of symmetry for the HIJK and H"1"J"K".

Math

Coordinate system Solutions

A hole is cut through the center of a sphere of radius 1.1. The height of the remaining spherical ring is 1.54. Find the volume of the ring. 1). 8.78453 2). 14.1372 3). 4.84905 4). 5.27667 5). 1.91232 6). 2.48271 7). 1.53111 8). 4.44518 9). 6.70882 10).2.85454

Math

Coordinate system Solutions

Graph the following function over a one-period interval. y=3 sec(1/4)x Choose the correct graph below.

Math

Coordinate system Solutions

Convert the point from polar to Cartesian coordinates. Write your answer in the simplest form or rounded to the nearest hundredth.(-5.5, -x/4)

Math

Coordinate system Solutions

Graph the linear equation. f(x) = 1/2x+7 Use the graphing tool to graph the linear equation.

Math

Coordinate system Solutions

Graph the inequality. 5x - 6y >= 0 Use the graphing tool to graph the inequality.

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Coordinate system Solutions

Graph the inequality. 4x + y<2 Use the graphing tool to graph the inequality.

Math

Coordinate system Solutions

Graph the following inequality. 4x + 2y > -4 Use the graphing tool to graph the inequality.