
Condiții de paralelism și perpendicularitate
Authored by bratu valentin
Mathematics
9th - 12th Grade

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5 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Dreptele de ecuații a1x+b1y+c1=0 și a2x+b2y+c2=0 sunt perpendiculare dacă și numai dacă....
a1a2+c1c2=0
a1a2+b1b2=0
b1b2+c1c2=0
a1a2+b1b2+c1c2=0
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Dreptele de ecuații y=m1x+n1 și y=m2x+n2 sunt perpendiculare dacă și numai dacă...
m1m2=1
m1+m2=-1
m1m2=-1
m1-m2=-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dreptele de ecuații y1=m1x+n1 și y2=m2x+n2 sunt paralele dacă și numai dacă...
m1=-m2
m1=m2
m1+m2=1
m1+m2=-1
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dreptele de ecuații a1x+b1y+c1=0 și a2x+b2y+c2=0 sunt paralele dacă și numai dacă....
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