Solving Nonlinear Functions
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QUESTION
What is a nonlinear function?
QUESTION
What is the discriminant in the quadratic formula?
QUESTION
State the relationship between roots and factors of a quadratic.
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ANSWER
Roots are solutions; factors are
(
x
−
r
1
)
(
x
−
r
2
)
(x - r_1)(x - r_2)
(
x
−
r
1
)
(
x
−
r
2
)
. If roots are
r
1
,
r
2
r_1, r_2
r
1
,
r
2
, then factors are
(
x
−
r
1
)
(
x
−
r
2
)
(x-r_1)(x-r_2)
(
x
−
r
1
)
(
x
−
r
2
)
.
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