Q. What is the equation of the line that passes through the point (6,−6) and has a slope of −61 ?Answer:
Identify Slope and Point: Identify the slope m and the point (x1,y1) through which the line passes.The slope m is given as −61, and the point (x1,y1) is (6,−6).
Use Point-Slope Form: Use the point-slope form of the equation of a line to plug in the values of the slope and the point.The point-slope form is y−y1=m(x−x1).Substitute m=−61, x1=6, and y1=−6 into the equation to get y−(−6)=−61(x−6).
Simplify Equation: Simplify the equation from the point-slope form to the slope-intercept formy=mx+b. Start by distributing the slope on the right side of the equation: y+6=−61x+61⋅6.
Isolate y: Continue simplifying the equation by performing the multiplication on the right side.The equation becomes y+6=−61x+1.
Combine Like Terms: Isolate y to get the equation in slope-intercept form.Subtract 6 from both sides of the equation to get y=−61x+1−6.
Combine Like Terms: Isolate y to get the equation in slope-intercept form.Subtract 6 from both sides of the equation to get y=−61x+1−6.Combine like terms on the right side of the equation to find the y-intercept(b).The equation simplifies to y=−61x−5.
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