an equation for the line perpendicular to the line 4x + 8y = 7 having the same y -intercept as −3x + 5y = −2
1 answer:
<span>4x + 8y = 7
8y = -4x + 7
y = -1/2x + 7/8 this equation has slope = -1/2
</span><span>line perpendicular to the line 4x + 8y = 7, so the slope = 2
</span><span>same y -intercept as −3x + 5y = −2
</span><span> y intercept means x = 0
</span> 5y = −2
y = -2/5
so
b = -2/5
answer:
equation:
y = 2x - 2/5
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