Team 1
0
Team 2
0
Teams
Name
Score
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Loading
×
monster
Reset all scores!
Oops!
×
gift
Win 10 points!
Okay!
×
rocket
Go to first place!
Okay!
×
baam
Lose 25 points!
Oops!
10
×
Give a perpendicular line to 4x+6y=14.
6x-4y=c
Oops!
Check
Okay!
Check
15
×
What is the scalar product of these vectors?
4*(-2)+1(-2)=-10
Oops!
Check
Okay!
Check
15
×
What is the equation of the circle whose centre is (-2;5) and radius is 10?
(x+2)^2+(y-5)^2=100
Oops!
Check
Okay!
Check
15
×
Give the line through point (2;1) with directional vector (9;5).
5(x-2)=9(y-1), 5x-9y=1
Oops!
Check
Okay!
Check
10
×
What is the midpoint of (2;31) and (12;19)?
(7;25)
Oops!
Check
Okay!
Check
10
×
What is the equation of this line?
y=3/2x+5
Oops!
Check
Okay!
Check
15
×
Give the line through point (4;5) with normal vector (6;7).
6x+7y=59
Oops!
Check
Okay!
Check
15
×
What is the sum of these vectors?
(4;1)
Oops!
Check
Okay!
Check
×
thief
Give points!
5
10
15
20
25
×
rocket
Go to first place!
Okay!
×
rocket
Go to first place!
Okay!
×
lifesaver
Give 25 points!
Oops!
15
×
What is the difference of the red vector and the blue vector?
(4;5)
Oops!
Check
Okay!
Check
10
×
What is the equation of the circle whose centre is (2;3) and radius is 7?
(x-2)^2+(y-3)^2=49
Oops!
Check
Okay!
Check
10
×
What is the distance between (10;-7) and (-2;28)?
37
Oops!
Check
Okay!
Check
×
baam
Lose 10 points!
Oops!
×
seesaw
Swap points!
Okay!
×
gift
Win 25 points!
Okay!
×
baam
Lose 20 points!
Oops!
15
×
Give the line through point (-4;2) with normal vector (3;6).
3x+6y=0
Oops!
Check
Okay!
Check
15
×
Where does the line x=4 intersect this circle?
at (4;4)
Oops!
Check
Okay!
Check
×
Restart
Review
Join for Free
;
Your experience on this site will be improved by allowing cookies.
Allow cookies