how would I find the x-intercept and y-intercept of 2x-3y=24?
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how would I find the x-intercept and y-intercept of 2x-3y=24?
To find the y intercept, ask yourself this: if you set x = 0 into the equation 2x-3y=24, what is the corresponding value of y? And to find the x intercept, it's a similar process: set y=0, and determine x.
To find the x intercepts of an equation, let y = 0 and to find the y-intercepts, let x = 0.Quote:
Originally Posted by dee77
What is an intercept anyway?
An intercept is a point in the form (x, y) on either the x- or y-axis through which a graph passes. In other words, it is a point through which a graph (picture of an equation or function) will travel through on the xy-plane.
We have 2x - 3y = 24... By the way, this is called a linear equation.
Let's find the x-intercepts, if any, first but of course, you could find the y-intercepts, if any, as your first step.
To find the x-intercepts, we let y = 0 in the equation and then simplify.
2x - 3(0) = 24
2x - 0 = 24
2x = 24
x = 24/2
x = 12
Our x-intercept is the point (12, 0).
Let's now find the y-intercept.
We let x = 0 and simplify.
2(0) - 3y = 24
0 - 3y = 24
-3y = 24
y = 24/-3
y = -8
Our y-intercept is the point (0, -8)
What does this mean? It means that when you graph your equation 2x - 3y = 24 on the xy-plane, the picture of the equation (called a graph), will go through the two points we found.
Is this clear?
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