Y 2x 3 Y 3x 2 Graph
The equations y = 2x + 3 and y = 3x + 2 represent two straight lines on a coordinate plane. Each equation is in the form y = mx + b, where m is the slope and b is the y-intercept. So for the first equation, the slope is 2 and the y-intercept is 3. For the second equation, the slope is 3 and the y-intercept is 2.
To graph these equations, start by plotting the y-intercepts. Even so, since the slope of the first line is 2, move up 2 units and right 1 unit from the y-intercept to get the point (1, 5). Next, use the slope to find another point on each line. For y = 2x + 3, place a point at (0, 3). For y = 3x + 2, place a point at (0, 2). For the second line, with a slope of 3, move up 3 units and right 1 unit from its y-intercept to reach (1, 5) as well.
Interestingly, both lines pass through the point (1, 5). This is the intersection point of the two lines, meaning it is the only solution that satisfies both equations simultaneously. Even so, to verify, substitute x = 1 into both equations: y = 2(1) + 3 = 5 and y = 3(1) + 2 = 5. Both give y = 5, confirming the intersection.
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The graph of these two lines will show one line steeper than the other. Since the slope of y = 3x + 2 is greater than that of y = 2x + 3, the first line rises more sharply as x increases. The point where they cross, (1, 5), is the only place where both equations are true at the same time.
Understanding the intersection of lines is important in algebra and has practical applications in fields like economics, physics, and engineering. As an example, if these equations represented two different cost models over time, the intersection point would indicate when both models predict the same cost.
To keep it short, graphing y = 2x + 3 and y = 3x + 2 involves plotting their y-intercepts, using their slopes to find additional points, and identifying their intersection at (1, 5). This visual representation helps clarify the relationship between the two linear equations and highlights the unique solution where they meet.
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