1 ) They are perpendicular. 2 ) m · (-1) / m = -1. The product of the slopes is -1. 3 ) The center of the circle is ( 2, 2 ). 4 ) m = (6-2 ) / 5 -2 = 4/3 5 ) Slope of the tangent: m = - 3/4. 6 ) m = -3/4, passes through the point: ( 5. 6 ): 6 = - 15/4 + b b = 24/4 + 15/4 b = 39/4 The slope-intercept equation is: y = -3/4 x + 39/4 7) We will put : x = 0 in the linear equation. 8 ) We will put y = 0 in the linear equation. 9 ) y-intercept : y = 9.75 Zero: x = 13.
