final's tommrow and i forgot how to find y-intercept!! please help me!!
what is the y-intercept of the graph of 4x+2y=12?
please tell me how to find the answer!! and please tell me the answer also! thanks a bunch!
2007-05-29 12:43:10 · 4 answers · asked by Anonymous in Education & Reference ➔ Homework Help
Move the 4x to the other side of the equation so you have
2y=-4x+12 then divide everything by 2 to isolate the y:
y=-2x+6 which means that -2/1= slope and (0,6) is the y intercept..which is where the line crosses the y axis...
..study!
2007-05-29 12:49:43 · answer #1 · answered by Queen Victoria 2 · 0⤊ 0⤋
The slope-intercept form of a line is written as y = mx + b where m is the slope and b is the y-intercept. Rewrite the equation..... 2y = 12 - 4x.......Divide the equation by 2......y = 6 - 2x
or y = -2x + 6.
The y-intercept is (0,6).
2007-05-29 20:00:20 · answer #2 · answered by dpirsq2 5 · 0⤊ 0⤋
6
4x+2y=12
-4x -4x
2y=12-4x
- - -
2 2 2
y=6-4x
you solve by getting y on its own and the constant is the y intercept and x is the slope
2007-05-29 19:45:36 · answer #3 · answered by jay rod 2 · 0⤊ 0⤋
4x+2y=12
The y intercept occurs at x = 0
4*0 + 2y = 12
2y = 12
y = 6 at x = 0
.
2007-05-29 19:51:07 · answer #4 · answered by Robert L 7 · 0⤊ 0⤋