The problem asks us to graph the linear equation $y = 3x - 1$.

AlgebraLinear EquationsGraphingSlope-intercept form
2025/3/6

1. Problem Description

The problem asks us to graph the linear equation y=3x1y = 3x - 1.

2. Solution Steps

To graph the equation y=3x1y = 3x - 1, we need to find at least two points that satisfy this equation.
First, let's find the yy-intercept. This occurs when x=0x = 0. Substituting x=0x = 0 into the equation gives us:
y=3(0)1y = 3(0) - 1
y=1y = -1
So, the first point is (0,1)(0, -1).
Next, let's find the xx-intercept. This occurs when y=0y = 0. Substituting y=0y = 0 into the equation gives us:
0=3x10 = 3x - 1
3x=13x = 1
x=13x = \frac{1}{3}
So, the second point is (13,0)(\frac{1}{3}, 0).
Alternatively, we can choose any arbitrary value for xx and find the corresponding yy value. For example, let x=1x = 1. Then,
y=3(1)1y = 3(1) - 1
y=31y = 3 - 1
y=2y = 2
So, the third point is (1,2)(1, 2).
We can plot any two of these points and draw a straight line through them. The easiest points to use are often the yy-intercept (0,1)(0, -1) and the point (1,2)(1, 2).

3. Final Answer

y=3x1y = 3x - 1

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