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HELP ME OUT PLEASE SOLVE IT..............

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2 Answers

Ma,
Rather than just give you a yes/no let's look at how we can figure it out.
 
2x+5y=-10
 
To find the Y intercept what we want to do is figure out what the Y coordinate will be when X=0.
To do this, we can just plug in the X value of 0 and see what we get.
(2)(0) + 5Y = -10
5Y = -10
Y = -10/5
Y = -2
 
so (0,-2) is correct.
 
Now, to get the x intercept, we just have to make Y = 0 and solve foe x
2x +(5)(0) = -10
2x = -10
x = -10/2
x = -5
 
so (-5,0) is also correct.
 
 
See if you can use what i showed you here to do the second equation. If you get stuck or confused, just follow up and I will help you further.
 
Good luck!
Hi Ma,
 
1) 2x + 5y = -10 
 
First write it into the standard 'y=mx +c' form  (c is always the y intercept)

 
It will become:   5y = -2x - 10
 
Now when you simplify this equation you get:
 
y = -2/5 x -10/5
 
y = -2/5 x - 2  (this is the final equation where c is -2 = y intercept)
 
Now for x intercept substitute 0 for y.
 
5 (0) = -2x -10
0 =  -2x -10
 
0 =  -2x -10
 
2x = -10
 
x = -5
 
so the x and y intercepts are -2 and -5 respectively.
 
 
 
 
 
 

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