A few days ago
algebra help, not hard trust me.?
Find the x-intercept of the graph of the equation
x+y=9
Top 3 Answers
A few days ago
Favorite Answer
x-intercept means where did the line cross the x-axis. Now, the x-axis conveniently corresponds to the value for y of zero (ie is the line y=0). So, just put in the value of y=0 and you’ll get your x-intercept.
x+0=9; x=9
easy when you know how!!
0
A few days ago
X-intercept means the point where the line crosses the x axis, which means that y=0 at that point.
The equation is x+y=9; subtituting the value of y, we get
x+y=9
x+0=9
x=9
0
A few days ago
X-intercept will be where Y= 0
so x+y=9
x=9-y
x=9-0
x=9
2
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