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How do you find the x and y-intercept given $y = 4 x$ $y = 4x$ ?

1 Answer

Jul 24, 2015

y-intercept $= 0$ $=0$
x-intercept $= 0$ $= 0$

Explanation:

Given $y = 4 x$ $y = 4x$

The y-intercept is the value of $y$ $y$ when $x = 0$ $x=0$
$XXXX$ $color(white)("XXXX")$ $y = 4 (0)$ $y = 4(0)$ $XXXX$ $color(white)("XXXX")$ $\to$ $rarr$ $XXXX$ $color(white)("XXXX")$ $y = 0$ $y=0$

The x-intercept is the value of $x$ $x$ when $y = 0$ $y=0$
$XXXX$ $color(white)("XXXX")$ $(0) = 4 x$ $(0) = 4x$ $XXXX$ $color(white)("XXXX")$ $\to$ $rarr$ $XXXX$ $color(white)("XXXX")$ $x = 0$ $x=0$

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