Kéttagú összeg szorzata
Quiz
•
Mathematics
•
6th - 8th Grade
•
Practice Problem
•
Hard
Anikó Barát
FREE Resource
Enhance your content in a minute
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Az a oldalú négyzet egyik oldalát 2 egységgel, másik oldalát 3 egységgel növeltük!
Mekkora lesz a területe a keletkezett téglalapnak?Hogy számolod ki?
(a+2)(a+3)
(a+2)(a-3)
(a-2)(a+3)
(a-2)(a-3)
2.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Mivel egyenlő (a+2)(a+3)= ?
a2+6
a2+6a
a2+6a+6
a2+5a+6
3.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Milyen kifejezést kapunk, ha (b+4)(b+5)=?
b2+9b+20
b2+20
b2+9b
b2+5b+4
4.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Ha a négyzet oldalát 5 egységgel növeljük, másik oldalát 3 egységgel csökkentjük, mekkora lesz az új téglalap területe?
(a+5)2
(a+5)(a-3)
(a+5)(a+3)
(a-5)(a+3)
5.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Mivel egyenlő a (c+1)(c+4)= kifejezés?
c2+5c+4
c2+5c
c2+4
c2+4c+1
6.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Mivel egyenlő a (d-2)(d-6)= kifejezés?
d2+8d+12
d2+8d
d2+12
d2-8d+12
7.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Ha a négyzet oldalát 4 egységgel növeljük, másik oldalát 1 egységgel csökkentjük, mekkora lesz az új téglalap területe?
(a+4)(a-1)
(a+4)2
(a-4)(a+1)
(a+4)(a+1)
8.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Milyen kifejezést kapunk, ha (e+3)(e+7)=?
e2+10e+21
e2+21
e2+10e
e2+3e+7
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