Get in function form.
- 3X - Y = 4
- 1(- Y = 3X + 4)
Y = - 3X - 4
----------------------------solve for X and Y by the 0 out method
- 3X - 4 = 0
- 3X = 4
X = - 4/3
---------------
Y = - 3(0) - 4
Y = - 4
--------------
Draw a line linking those points.
no
0.5
-4
35
(4,1)
2x^2+3xy-4y2(4)+3(2)(-4)-(4)(-4)8-24+16=0
18x3y5 + 9xy3 - 3xy = 3xy(6x2y4 + 3y2 - 1)
2(2)2 + 3(2)(- 4) - 4(- 4)2 8 - 24 - 64 = - 80 ======
no
No, it is not.
-2
yes 3xy=6
3xy - 3xy = 0
(x + 6y)(x - 3y)
4
15x - 3xy = 3x(5 - y) 20 - 4y = 4(5 - y) 15x - 3xy + 20 - 4y = (3x + 4)(5 - y)
x = -1 y = 2 2x3 - 3xy = 2 (-1)3 - 3(-1)(2) = 2 (-1) - (-6) = -2 + 6 = 4 Suggestion: Please be careful around problems like this until you have some more experience.