Solving Nonlinear Functions
SAT Math · Flashcards
SAT MATH · FLASHCARDS
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QUESTION
What is the solution to
4
x
2
−
4
x
+
1
=
0
4x^2 - 4x + 1 = 0
4
x
2
−
4
x
+
1
=
0
?
QUESTION
Convert
y
=
x
2
+
6
x
+
9
y = x^2 + 6x + 9
y
=
x
2
+
6
x
+
9
to vertex form.
QUESTION
Identify the axis of symmetry for
y
=
x
2
+
6
x
+
5
y = x^2 + 6x + 5
y
=
x
2
+
6
x
+
5
.
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ANSWER
x
=
−
3
x = -3
x
=
−
3
. Use formula
x
=
−
b
2
a
=
−
6
2
(
1
)
=
−
3
x = -\frac{b}{2a} = -\frac{6}{2(1)} = -3
x
=
−
2
a
b
=
−
2
(
1
)
6
=
−
3
.
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