| 11. | The tangent at a point on a curve is defined intuitively as the limiting position of secant line through the point.
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| 12. | As a point " q " approaches the origin from the right, the secant line always has slope 1.
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| 13. | He concluded that the area between the secant line and the curve is the area of triangle " ACE ".
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| 14. | No tangent line can be drawn through a point within a circle, since any such line must be a secant line.
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| 15. | If is positive, then is on the high part of the step, so the secant line from to has slope zero.
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| 16. | As a point " q " approaches the origin from the left, the secant line always has slope " 1.
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| 17. | The secant line is only an approximation to the behavior of the function at the point because it does not account for what happens between and.
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| 18. | Two distinct secant lines to the conic, say } } and } } determine four points on the conic ( ) that form a quadrangle.
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| 19. | A line through two points on a curve is called a " secant line ", so is the slope of the secant line between and.
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| 20. | A line through two points on a curve is called a " secant line ", so is the slope of the secant line between and.
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