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Given the slope and \( y \)-intercept, write an equation A linear function has a slope of -5 and a \( y \)-intercept of 3 . Write the equation to represent this function. Checking your answer -.. \( y= \)

Ask by John Garrett. in the United States
Mar 11,2025

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Answer

The equation of the linear function is \( y = -5x + 3 \).

Solution

To write the equation of a linear function given the slope and \( y \)-intercept, we can use the slope-intercept form of a linear equation, which is: \[ y = mx + b \] where: - \( m \) is the slope, - \( b \) is the \( y \)-intercept. In this case, we have: - Slope \( m = -5 \) - \( y \)-intercept \( b = 3 \) Now, substituting these values into the equation: \[ y = -5x + 3 \] Thus, the equation representing the function is: \[ y = -5x + 3 \]

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The Deep Dive

The equation of a linear function can be expressed in the slope-intercept form, which is \( y = mx + b \). Here, \( m \) represents the slope and \( b \) represents the \( y \)-intercept. Given that the slope is -5 and the \( y \)-intercept is 3, you would substitute these values into the equation. Thus, the function is represented as \( y = -5x + 3 \). To double-check your minds about how linear functions work: when you plot this equation, it starts at point (0, 3) on the \( y \)-axis and descends sharply as you move to the right, reflecting that negative slope! If you take any two points on this line, the change in \( y \) over the change in \( x \) will consistently give you that original slope of -5!

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