Quadratics & Polynomials
ACT · Flashcards · Recall
ACT · FLASHCARDS
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QUESTION
State the factor theorem relating
f
(
a
)
f(a)
f
(
a
)
to the factor
(
x
−
a
)
(x-a)
(
x
−
a
)
.
QUESTION
State the difference of squares factorization formula.
QUESTION
For what discriminant values does
a
x
2
+
b
x
+
c
=
0
ax^2 + bx + c = 0
a
x
2
+
b
x
+
c
=
0
have real and equal roots?
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ANSWER
Discriminant
b
2
−
4
a
c
=
0
b^2 - 4ac = 0
b
2
−
4
a
c
=
0
. Zero discriminant means one repeated real solution.
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