Solve the system of Equations
Graph the inequalities
Matrix add/sub/scalar
Matrix mult/det/invrs
Number sets
100
Slove by graphing
3x-2y=-2
x + y = 6
(2, 4)
100
Graph
y<=2x-3
y>=4
100
[[-2,0],[6, 8]]+[[-3, 0, 2],[5,-1,6]]
NP
100
[[-1,0],[5,2]]*[[6,-3],[7,-2]]
[[-6,3],[44,-19]]
100
-3 belongs to which number set?
R, Q, Z
200
Solve the equation by elimination or substitution
x-2y=12
5x-2y=4
(-2, -7)
200
Graph
y-2x<3
2y>x-6
200
[[9,1],[1,2]]+[[1,4],[3,7]]
[[10,5],[4,9]]
200
Find the determinate
[[4,-4],[9,3]]
48
200
9.3587 belongs to which number set?
R, Q
300
Solve the system
2y-4x=-2
3y-5x=0
(3,5)
300
Graph
y<=3
y<=-3x+6
y<=-x
(1, 3), (-3, 3), (3, -3)
300
[[9,1],[1,2]]-[[1,4],[3,7]]
[[8,-3],[-2,-5]]
300
[[-1,0,6],[-4,-10,4]]*[[5,-7],[-2,-9]]
NP
300
0 belongs to which number set?
R, Q, Z, W
400
Solve the system of equations
4x+2y+3z=-2
3x-y+5z=0
2x-z=14
(5, -5, -4)
400
[[2],[-6]]-[[-3],[2]]+[[6],[0]]
[[11],[-8]]
400
Find the inverse
[[-3,-7],[-2,-1]]
-1/11[[-1,7],[2,-3]]
400
9 belongs to which number set?
R, Q, Z, W, N
500
Solve using matrix
5x+3y=4
3x+2y=0
(8, -12)
500
FInd the min and max
x>=-6
y+x<=-1
2x+3y>=-9
f(x,y)=-10x-12y
(-6, 1) = 48 = max
(6, -7) = 24
(-6, 5) = 0 min
500
-3[[11,4],[-3,-10]]+2[[0,-7],[8,12]]
[[-33,-26],[25,54]]
500
Find the determeinate by hand
[[3,-2,2],[-4,2,-5],[-3,1,4]]
-19
500
pi
belongs to which number set?
R, I