antoniorbaird antoniorbaird

26-07-2016
Mathematics

Answered

find the equation of the line that has a slope of -3 and passes through (4, 4)

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dalendrk dalendrk

27-07-2016

\(The\ slope-point\ form:y-y_1=m(x-x_1)\\The\ slope-intercept\ form:y=mx+b\\--------------------\\m=-3;\ (4;\ 4)\to x_1=4\ and\ y_1=4\\\\\boxed{y-4=-3(x-4)}\\\\y-4=-3x+12\ \ \ |add\ 4\ to\ both\ sides\\\boxed{y=-3x+16}\)

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