1) Plural form of radius. Plural form of radius.  a) radiuses b) radii 2) The central angle is the same as the inscribed angle. a) True b) False 3) The radius is _______ of the diameter. a) twice   b) half 4) The longest chord is __________. a)  diameter b) radius 5) Which of the following has a degree of 5. a) f(x) = 5x3 – 4x + 1   b) f(x) = 3x + 2x5 + 1 6) The distance formula : ____________ a) d2 = (x2 - x1)2 + (y2 - y1)2   b) d2 = (x2 + x1)2 - (y2 + y1)2 7) Find angle 1 if it lies inside the circle whose intercepted arcs measures 460 and 700 respectively. a)  460 b) 580 8) Find angle 2 if it lies inside the circle whose intercepted arcs measures 1650 and 470 respectively. a) 590 b) 850 9) Which of the following has an x-intercept of 1 and -1. a) y = x2 - 1 b) y = x3 - 1 10) If the measure of the central angle is 500 , what is the measure of its intercepted arc? a) 250 b) 500

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