Math Problem Statement

Graph 2x+3y=6

Solution

To graph the equation 2x+3y=62x + 3y = 6, follow these steps:

Step 1: Write the equation in slope-intercept form

First, solve the equation for yy in terms of xx.

2x+3y=62x + 3y = 6

Subtract 2x2x from both sides:

3y=2x+63y = -2x + 6

Now, divide every term by 3 to solve for yy:

y=23x+2y = -\frac{2}{3}x + 2

Step 2: Identify the slope and y-intercept

From the slope-intercept form y=mx+by = mx + b, we can identify:

  • The slope m=23m = -\frac{2}{3}
  • The y-intercept b=2b = 2

Step 3: Plot the y-intercept

Start by plotting the y-intercept (0,2)(0, 2) on the graph.

Step 4: Use the slope to find another point

The slope 23-\frac{2}{3} means that for every 3 units you move to the right (positive direction on the x-axis), you move 2 units down (negative direction on the y-axis). Starting from the y-intercept (0,2)(0, 2):

  • Move 3 units to the right to (3,2)(3, 2).
  • Move 2 units down to (3,0)(3, 0).

So, another point on the line is (3,0)(3, 0).

Step 5: Draw the line

Plot the points (0,2)(0, 2) and (3,0)(3, 0) on the graph, and then draw a straight line through these points.

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Math Problem Analysis

Mathematical Concepts

Algebra
Linear Equations
Graphing

Formulas

Slope-intercept form: y = mx + b

Theorems

Linear equation properties

Suitable Grade Level

Grades 7-9