A1 part a

# A1 part a - Online Homework System Assignment Worksheet...

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Online Homework System Assignment Worksheet 9/19/10 - 9:34 PM

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Name: ____________________________ Class: MATH 127 1109 Calculus 1 for the Sciences Class #: ____________________________ Section #: ____________________________ Instructor: Math 127 Assignment: Assignment 1 part A Question 1: (1 point) Find the equation of the circle with centre (-2,5) and radius 1 . NOTE: Write your answer as the lefthand side of the "standard" equation: (x - x 0 ) 2 + (y - y 0 ) 2 - r 2 = 0 . Do NOT include the "= 0"! You can leave the x and y terms expanded if you want. (x+2)^2 + (y-5)^2 - 1^2 = 0 Question 2: (1 point) For the circle whose equation is: x 2 + y 2 - 2x + 10y + 10 = 0 The centre is x = ____________ , y = ____________ The radius is ____________ Question 3: (1 point) Find the distance between the points (4,1) and (5,3): ____2.236________ (3 decimal accuracy or an exact expression. Use sqrt, e.g. for write sqrt(23)) Question 4: (1 point)
Question 1: (1 point) Find the equation of the circle with centre (-2,5) and radius 1 . NOTE: Write your answer as the lefthand side of the "standard" equation: (x - x 0 ) 2 + (y - y 0 ) 2 - r 2 = 0 . Do NOT include the "= 0"! You can leave the x and y terms expanded if you want.

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