Index
absolute value , 4
Apollonius's circle, 150
arithmetic mean, 11 2
ascending order of degree, 29
associative law, 5
asymptote, 194
axis of parabola, 177
circumcenter, 143
coefficient, 2 7
common divisor, 44
common multiple , 4 4
commutative law , 5
complement, 2 3
complex number, 59
condition fo r parallel straight lines, 137
condition for perpendicular
straight lines , 137
conjugate comple x number, 62
constant term , 29
contrapositive, 11 6
converse, 70
converse of contrapositive, 11 7
convex down, 177
convex up , 177
coordinate, 2
coordinate plane, 127
cosine, 214
cosine theorem, 230
cube root, 82
degree
of integral expression, 28
of monomial , 2 7
denominator, 46
dependent variable, 174
descending order of degree, 29
discriminant, 68
distance between a point and
a straight line , 141
distributive law , 5
dividing point
external, 125
internal, 125
divisible, 41
divisor, 41
domain, 175
double radical, 14
double sign, 34
double solution, 8 9
element, 18
empty set , 2 0
equiil expressions, 28
equation of a circle, 148
equation of a figure, 133
equation of degree n, 82
equivalent implications , 70
expansion, 32
extended ratio, 108
factor, 34
factor theorem, 85
factoring, 34
figure expressed by an equation, 133
fractional expression, 46
fractional function , 193
function, 174
geometric mean, 112
graph, 176
graph of an equation, 133
greater than, 3
greatest common divisor, 44
Heron's formula, 23 3
identity, 103
imaginary number , 6 0
imaginary root, 67
imaginary solution , 6 7
imaginiiry unit , 60
independent variable, 174
indirect proof, 116
integer, 9
integral expression, 28
intersection o f sets, 19
inverse function, 20 4
irrationid function , 197
irrational number, 9
irreducible fractional expression , 46
irreducible integnd expression, 39
law of exponents, 51
least commo n multiple , 44
less than, 3
like terms, 28
linear equation i n three variables, 79
locus, 143
membership i n a set, 18
monomial, 2 7
multiple, 4 1
multiple root , 6 6
multiple solution , 6 6
natural number, 9
necessary and sufficient condition , 70
necessary condition, 70
negation, 114
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