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tm12_a - MAC 1114 Module Test 12 Name MULTIPLE CHOICE...

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MAC 1114 Module Test 12 Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Convert to rectangular coordinates. 1) 4, π 2 A) ( - 4, 0) B) (0, - 4) C) (4, 0) D) (0, 4) Answer: D Objective: (8.5) Find Rect Coords for Point in Polar Form (Radians) Plot the point (r, θ ). 2) 2, 5 π 4 5 5 5 1
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5 5 Objective: (8.5) Plot Point in Polar Coordinates Convert to rectangular coordinates. 3) (2, 510°) Objective: (8.5) Find Rect Coords for Point in Polar Form (Degrees) Find an equivalent equation in rectangular coordinates. 4) r = cos θ A) x 2 + y 2 = y B) x 2 + y 2 = x C) (x + y) 2 = y D) (x + y) 2 = x Answer: B Objective: (8.5) Convert Polar Equation to Rectangular Form Plot the point (r, θ ). 5) (4, 135°) 2
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5 5 5 5 Objective: (8.5) Plot Point in Polar Coordinates Identify the type of polar graph. 6) r 2 = 3 cos 2 θ A) rose with 4 petals B) lemniscate C) cardioid D) limacon Answer: B Objective: (8.5) Identify Type of Polar Graph from Equation Convert to rectangular coordinates. 7) ( - 12, 45°) Objective: (8.5) Find Rect Coords for Point in Polar Form (Degrees) Determine two pairs of polar coordinates for the point with 0 ° θ < 360 ° .
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