Tundmatu avaldamine võrrandist ja normaalkujule viimine

Tundmatu avaldamine võrrandist ja normaalkujule viimine

7th Grade

6 Qs

quiz-placeholder

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Tundmatu avaldamine võrrandist ja normaalkujule viimine

Tundmatu avaldamine võrrandist ja normaalkujule viimine

Assessment

Quiz

Mathematics

7th Grade

Medium

Created by

Kadri Saaremaa

Used 4+ times

FREE Resource

6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Võrrandi

 3x = 4y73x\ =\ 4y-7  normaalkuju on

 y =0,75x+74y\ =0,75x+\frac{7}{4}  

 3x4y=73x-4y=-7  

 4y=3x+74y=3x+7  

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Sirge joonestamiseks on vaja viia võrrand

normaalkujule

lahendada võrrand

kujule  y=y=  

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Avalda sirgest

 2x+y=7, tundmatu y2x+y=7,\ tundmatu\ y  

 y=72xy=7-2x  

 y=7+2xy=7+2x  

 y=72xy=-7-2x  

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Avalda sirgest

 2x+y=7, tundmatu x2x+y=7,\ tundmatu\ x  

 x=7+yx=7+y  

 x=7yx=7-y  

 x=3,50,5yx=3,5-0,5y  

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Avalda sirgest

 x4y=6,8  tundmatu xx-4y=6,8\ \ tundmatu\ x  

 x=6,84yx=6,8-4y  

 x=6,8+4yx=6,8+4y  

 x=6,84yx=-6,8-4y  

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Võrrandi

 2x+45y=0 normaalkuju on2x+4-5y=0\ normaalkuju\ on  normaalkuju on

 pole vo~imalik leidapole\ võimalik\ leida  

 5y=2x4-5y=-2x-4  

 2x5y=42x-5y=-4