WorksheetsΤΑΥΤΟΤΗΤΕΣ
Total questions: 8
Worksheet time: 15mins
Name
Class
Date
1.
Tο αναˊπτυγμα του (α−2)2 ειˊναι:
a)
α2+2α+4
b)
α2−4
c)
α2+4
d)
α2−4α+4
2.
(α−3)(3+α)=?
a)
α2−6α+9
b)
α2+9
c)
α2−9
d)
α2
3.
(−α−2)2=?
a)
α2+4α+4
b)
α2−4α+4
c)
−α2−4α−4
d)
−α2+4
4.
(1−x)3=?
a)
1+x3
b)
1−3x+3x2−x3
c)
(1+x)3
d)
x3−3x2+3x−1
5.
(−x−5)2 =?
a)
−(x−5)2
b)
−(x+5)2
c)
(x+5)2
d)
x2+25
6.
2(x−5)(−x−5)
a)
2x2−25
b)
−2x2+50
c)
2x2−5x+50
d)
−2x2−50
7.
(x+x3)2=?
a)
x2+6+x29
b)
x2+x29
c)
x2+x23+x29
d)
x2+3+x9
8.
H παραˊσταση (2α−3)2−2(α−4)(α+4) ισουˊται με:
a)
2a2−12a+9
b)
2a2−6a+41
c)
2a2−12a+41
d)
−12a+41
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