Question
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The equation of a line is given below. \[ -x+4 y=8 \] Find the \( x \)-intercept and the \( y \)-intercept. Then use them to graph the line. \[ y \text {-intercept: } \]

Ask by Murphy Wells. in the United States
Mar 10,2025

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Tutor-Verified Answer

Answer

The \( y \)-intercept is \( (0,2) \).

Solution

1. **Find the \( y \)-intercept:** Set \( x=0 \) in the equation: \[ -0 + 4y = 8 \quad \Longrightarrow \quad 4y = 8 \] Solve for \( y \): \[ y = \frac{8}{4} = 2 \] The \( y \)-intercept is \( (0,2) \). 2. **Find the \( x \)-intercept:** Set \( y=0 \) in the equation: \[ -x + 4(0) = 8 \quad \Longrightarrow \quad -x = 8 \] Solve for \( x \): \[ x = -8 \] The \( x \)-intercept is \( (-8, 0) \). 3. **Graph the line:** Plot the \( y \)-intercept \( (0,2) \) and the \( x \)-intercept \( (-8,0) \) on the coordinate plane. Draw a straight line through these two points. Thus, the \( y \)-intercept is \( (0,2) \).

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To find the \( y \)-intercept, set \( x = 0 \) in the equation \( -x + 4y = 8 \). This gives us \( 4y = 8 \), so \( y = 2 \). Therefore, the \( y \)-intercept is \( (0, 2) \). Now, for the \( x \)-intercept, set \( y = 0 \). The equation becomes \( -x + 4(0) = 8 \), leading to \( -x = 8 \), thus \( x = -8 \). So, the \( x \)-intercept is \( (-8, 0) \). Plot the points \( (0, 2) \) and \( (-8, 0) \) on a graph and draw a line through them to graph the line!

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