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现在参加这个测试
Factoring #2
1.
x
2
+7x+10=0
2.
x
2
+5x-14=0
3.
x
2
-9x=-14
4.
x
2
+16x=-15
5.
x
2
+3x=54
6.
x
2
-x=56
7.
x
2
-20x=-51
8.
x
2
-5x=84
9.
x
2
+3x-31=-3
10.
x
2
-9x+18=2x
11.
x
2
-196=0
12.
x
2
-225=0
13.
x
2
-324=0
14.
x
2
-289=0
15.
x
2
-256=0
16.
x
2
-576=0
17.
x
2
-529=0
18.
x
2
-441=0
19.
x
2
-625=0
20.
x
2
-484=0
参加了这次测试的学生也参加了 :
Quiz 8a: graphing quadratics and solving by factoring
Solving systems of linear equations quiz
Elmination
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