Q. What is the equation of the line that passes through the point (3,5) and has a slope of −1 ?Answer:
Identify slope and point: Identify the slope m and the point (x,y) through which the line passes.We have:Slope m: −1Point: (3,5)We will use the slope-intercept form of a line, which is y=mx+b, where m is the slope and b is the y-intercept.
Solve for y-intercept: Use the point (3,5) to solve for the y-intercept (b). We know that when x=3, y=5, and m=−1. We can substitute these values into the slope-intercept equation to find b. 5=(−1)(3)+b5=−3+b5+3=b8=b
Write line equation: Write the equation of the line using the slope m and the y-intercept b. We have: Slope (m): −1 y-intercept (b): 8 Substitute −1 for m and 8 for b in the equation b0. The equation of the line in slope-intercept form is b1, which can be simplified to b2.
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