Math Test 4 Flashcards
1
Q
Solve this system: x+4y=8, 3x+12y=2
A
No solution
2
Q
Solve this system: 3x-6y=12, 4x-8y=16
A
Infinitely many solutions: (t, 12-3t/-6)
3
Q
x-3y+z=0
y-z=4
z=-3
A
(x,y,z) = (6,1,-3)
4
Q
3x-y+2z=11
y+6z=0
-2z=1
A
(x,y,z) = (5,3,-1/2)
5
Q
y=x^2
y=x+30
A
(6,36)
(-5,25)
6
Q
x^2+y^2=72
x+y=0
A
(-6,6)
(6,-6)
7
Q
4x^2-y^2=12
x^2+3y^2=16
A
(2,2)
(-2,-2)
(2,-2)
(-2,2)