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Find the slope and y-intercept of the line represented by each of the following equations

2x+5y=10

2007-08-29 15:20:14 · 11 answers · asked by Anonymous in Science & Mathematics Mathematics

11 answers

the slope is (-2/5) the y-intercept is 2.

2007-08-29 15:25:53 · answer #1 · answered by Love Zelda0 2 · 0 0

Your equation is in standard form. Move it to slope-intercept form and you can just pick out the slope and y-intercept.
Slope-intercept form is y = mx + b, so you need to isolate the y value.
Subtract 2x from both sides to get
5y = -2x + 10
Divide each term by 5
y = (-2/5)x + 2
The m is the slope and the b is the y-intercept, so in your equation, the slope is (-2/5) and the y-intercept is 2.

2007-08-29 15:28:50 · answer #2 · answered by mathcat345 2 · 0 0

y = mx + b m = slope slope = rise/run

2 lines to start a graph the vertical y axis
and the horizontal x axis.

It takes 2 points to graph a line.

If x = 0 than y =2 so one point is (0,2)
If y = 0 than x = 5 so another point is (5,0)

5y = 10 - 2x
y = (10 -2x ) / 5
y = 2 -2/5 x

the slope is -2/5 and the y intercept ( 0,2 )

2007-08-29 15:37:32 · answer #3 · answered by Will 4 · 0 0

remember
the slope is seen with this slope intercept form
y = mx +b
so:
5y = -2x + 10
y = -2/5x + 2
so m = -2/5
y- intercept is 2
in graphing, just substitute and number for x or y then calculate for x or y..those are the points..thenconnect the points and you have a line

2007-08-29 15:28:36 · answer #4 · answered by toffer 3 · 0 0

the slope is (-2/5) the y-intercept is 2.
i copied love zaelda XD

2007-08-29 15:26:39 · answer #5 · answered by Anonymous · 0 0

2x+5y+=10 subtract 2x 4rm both sides
-2x -2x

5y=-2x+10 divide by 5 on both sides
/5 /5 /5

y=-2/5x+2 slope=-2/5 y-int=2

2007-08-29 15:27:46 · answer #6 · answered by Skank 4 · 0 0

2x+5y=10
5y=-2x+10
y= -2/5 x + 10

m= -2/5, b=10

slope is -2/5, y intercept is 10

2007-08-29 15:28:39 · answer #7 · answered by way2hot2becool 3 · 0 0

5y=-2x+10
y=-2/5x+2

Slope is -2/5

y intercept is 2

2007-08-29 15:27:54 · answer #8 · answered by MosesMosesMoses 2 · 0 0

i cant help

2007-08-29 15:26:09 · answer #9 · answered by Anonymous · 0 1

i cant help srry:(

2007-08-29 15:27:37 · answer #10 · answered by horseluva 2 · 0 1

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