Chapter 1 Quadratic Equations In One Unknown Worksheet With Answers Page 33
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341
Quadratic Equations in One Unknown
19. Which of the following correctly
B.
y
=
−
+
2
represents the graph of y
4
x
5
x
1
?
x
A.
y
0
x
y
C.
0
x
0
y
B.
x
D.
y
0
x
y
0
C.
D
x
0
21. Which of the following equations may
represent the graph as shown below?
y
y
D.
x
0
−1
2
x
B
0
=
−
+
20. Which of the following correctly
2
A.
y
x
x
2
represents the graph of
=
−
−
2
B.
y
x
x
2
= −
+
−
2
y
x
2
x
1 ?
= −
+
−
2
C.
y
x
x
2
y
A.
= −
−
−
2
D.
y
x
x
2
B
x
0
33
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