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ICE Princess25 [194]

3 years ago

6

Find an equation for the line perpendicular to the line 4x+8y=−84x+8y=−8 having the same y-intercept as −4x+2y=−6−4x+2y=−6.

1 answer:

Kitty [74]3 years ago

6 0

<span>4x + 8y = −8
8y = -4x - 8
y = -1/2x - 1
</span>⇒ Slope = -1/2
⇒ Slope of perpendicular line = 2
<span>
- </span><span>4x + 2y = - 6
2y = 4x - 6
y = 2x - 3
</span>⇒ y-intercept = -3
<span>

</span><span>Equation:
y = mx + b

Substitute the value for the slope and y-intercept:
y = 2x - 3

Answer: </span> y = 2x - 3

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