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Lessons 10-7 through 10-8 Vocabulary

Name: ___________________________________
Date: _______________________
Block: ____________
Across
(p. 757) Now suppose that the center is not at the origin, but at the _____ (h, k).
(p. 752) In this case, the tangent segment, or segment of a tangent with one endpoint on the circle, is ____ the exterior and whole segment.
(p. 759) In addition to taking square roots, other techniques that you may need to apply in order to solve equations of the form ax² + bx + c 0 include completing the square, factoring, and the _________ Formula, x = [-b ± √(b² - 4ac)]/2a.
(p. 756) Like a circle and all conics, a parabola can also be defined as a(n) _____ of points.
(p. 750) When two chords intersect inside a circle, each chord is divided into two _________, called chord ________.
(p. 752) A segment that lies in the exterior of the circle is called a(n) ________ secant segment.
(p. 764) A circular cross-section is formed by the intersection of a(n) ____ with a plane that is perpendicular to the axis of the ____.
(p. 757) Using the ___________ Theorem, x² + y² = r².
(p. 757) You can use the Distance Formula to develop a(n) ________ for the circle.
(p. 762) A(n) ________ locus satisfies more than one distinct set of conditions.
(p. 764) A circle is one type of _____-section of a right circular cone.
(p. 757) The standard form of the equation of a circle is also called the center-______ form.
(p. 751) The lower the Sun is to the _______, the more of a rainbow you can see.
(p. 752) If a tangent and a secant intersect in the exterior of a circle, then the ______ of the measure of the tangent is equal to the product of the measures of the secant and its external secant segment.
Down
(p. 752) Do ___ multiply the length of the internal secant segment, or chord, by the length of the external secant segment.
(p. 752) If two secants intersect in the exterior of a circle, then the product of the measures of one secant is equal to the product of the measures of the _____ secant and its external secant segment.
(p. 765) Geometrically, a parabola is the locus of all points in a plane equidistant from a fixed point, called the _____, and a fixed line, called the directrix.
(p. 765) (p. 765) Geometrically, a parabola is the locus of all points in a plane equidistant from a fixed point, called the focus, and a fixed line, called the _________.
(p. 758) You can use the equation of a circle to graph it on a(n) __________ plane.
(p. 757) Since all points on a circle are equidistant from the center, you can find an equation of a circle by using the ________ Formula.
(p. 759) A(n) ____ can intersect a circle in at most two points.
(p. 764) Such cross-sections are called _____ sections or _____s.
(p. 750) If two chords intersect in a circle, then the ________ of the lengths of the chord segment are equal.
(p. 757) Let (x, y) represent a point on a circle centered at the ______.
(p. 757) The ________ form of the equation of a circle with center at (h, k) and radius r is (x - h)² + (y - k)² = r².
(p. 752) A secant segment is a segment of a secant line that has _______ one endpoint on the circle.
(p. 764) In Algebra 1, a(n) ________ was defined as the shape of the graph of a quadratic function, such as y = x².