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Lessons 10-7 through 10-8 Vocabulary

Name: ___________________________________
Date: _______________________
Block: ____________
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Across
3
(p. 757) Now suppose that the center is not at the origin, but at the _____ (h, k).
5
(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.
6
(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.
9
(p. 756) Like a circle and all conics, a parabola can also be defined as a(n) _____ of points.
10
(p. 750) When two chords intersect inside a circle, each chord is divided into two _________, called chord ________.
13
(p. 752) A segment that lies in the exterior of the circle is called a(n) ________ secant segment.
14
(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 ____.
15
(p. 757) Using the ___________ Theorem, x² + y² = r².
18
(p. 757) You can use the Distance Formula to develop a(n) ________ for the circle.
19
(p. 762) A(n) ________ locus satisfies more than one distinct set of conditions.
21
(p. 764) A circle is one type of _____-section of a right circular cone.
22
(p. 757) The standard form of the equation of a circle is also called the center-______ form.
23
(p. 751) The lower the Sun is to the _______, the more of a rainbow you can see.
24
(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
1
(p. 752) Do ___ multiply the length of the internal secant segment, or chord, by the length of the external secant segment.
2
(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.
4
(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.
7
(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 _________.
8
(p. 758) You can use the equation of a circle to graph it on a(n) __________ plane.
11
(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.
12
(p. 759) A(n) ____ can intersect a circle in at most two points.
14
(p. 764) Such cross-sections are called _____ sections or _____s.
15
(p. 750) If two chords intersect in a circle, then the ________ of the lengths of the chord segment are equal.
16
(p. 757) Let (x, y) represent a point on a circle centered at the ______.
17
(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.
18
(p. 752) A secant segment is a segment of a secant line that has _______ one endpoint on the circle.
20
(p. 764) In Algebra 1, a(n) ________ was defined as the shape of the graph of a quadratic function, such as y = x².