Pregunta
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\( \leftarrow \begin{array}{l}\text { Graph the linear equation. } \\ 4 x+2 y=16\end{array} \)

Ask by Chan Peterson. in the United States
Feb 02,2025

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To graph the equation \(4x + 2y = 16\), first rewrite it in slope-intercept form \(y = -2x + 8\). Plot the y-intercept at \((0, 8)\) and another point like \((2, 4)\). Draw a straight line through these points to represent the equation.

Solución

Rewrite the equation by following steps: - step0: Rewrite in slope-intercept form: \(4x+2y=16\) - step1: Move the expression to the right side: \(2y=16-4x\) - step2: Divide both sides: \(y=8-2x\) - step3: Rearrange the terms: \(y=-2x+8\) To graph the linear equation \(4x + 2y = 16\), we first convert it to slope-intercept form, which is \(y = mx + b\), where \(m\) is the slope and \(b\) is the y-intercept. 1. **Convert to Slope-Intercept Form:** \[ 4x + 2y = 16 \] Subtract \(4x\) from both sides: \[ 2y = -4x + 16 \] Now, divide by \(2\): \[ y = -2x + 8 \] Here, the slope \(m = -2\) and the y-intercept \(b = 8\). 2. **Identify Key Points:** - The y-intercept is at the point \((0, 8)\). - To find another point, we can choose \(x = 2\): \[ y = -2(2) + 8 = 4 \quad \text{(Point: (2, 4))} \] - Another point can be found by choosing \(x = 4\): \[ y = -2(4) + 8 = 0 \quad \text{(Point: (4, 0))} \] 3. **Plotting the Points:** - Plot the points \((0, 8)\), \((2, 4)\), and \((4, 0)\) on a graph. - Draw a straight line through these points to represent the equation. The graph of the equation \(4x + 2y = 16\) is a straight line with a slope of \(-2\) and a y-intercept of \(8\).

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Mind Expander

To graph the equation \(4x + 2y = 16\), you can start by rewriting it in slope-intercept form, \(y = mx + b\). Rearranging gives \(2y = -4x + 16\) and then \(y = -2x + 8\). The slope is -2, meaning the line goes down 2 units for every 1 unit it goes to the right. The y-intercept is 8, so you can plot the point (0, 8) on the y-axis. From there, use the slope to find another point, like (1, 6). Connecting these points will give you your line! Another fun way to graph is by finding the intercepts! For the x-intercept, set \(y = 0\) and solve \(4x = 16\), giving you \(x = 4\) (point (4, 0)). For the y-intercept, set \(x = 0\) to solve \(2y = 16\), giving \(y = 8\) (point (0, 8)). Plot these two points on a graph, draw a straight line through them, and voilà! You've graphed your linear equation beautifully.

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