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The equation for line ss can be written as y=10x+54y= -10x+ \frac{5}{4}. Parallel to line ss is line tt, which passes through the point (1,3)(-1,3). What is the equation of line tt?

Full solution

Q. The equation for line ss can be written as y=10x+54y= -10x+ \frac{5}{4}. Parallel to line ss is line tt, which passes through the point (1,3)(-1,3). What is the equation of line tt?
  1. Find Slope of Line ss: Determine the slope of line ss.\newlineLine ss has the equation y=10x+54y = -10x + \frac{5}{4}. The slope of a line in the slope-intercept form y=mx+by = mx + b is the coefficient of xx, which is mm.\newlineThe slope of line ss is 10-10.
  2. Determine Parallel Line Slope: Since line tt is parallel to line ss, it must have the same slope. Parallel lines have identical slopes. Therefore, the slope of line tt is also 10-10.
  3. Use Point-Slope Form: Use the point-slope form to find the equation of line tt. The point-slope form of a line is yy1=m(xx1)y - y_1 = m(x - x_1), where mm is the slope and (x1,y1)(x_1, y_1) is a point on the line. We know the slope (mm) is 10–10 and the point (x1,y1)(x_1, y_1) is (1,3)(–1, 3).
  4. Plug in Slope and Point: Plug the slope and point into the point-slope form to get the equation of line tt.y3=10(x(1))y - 3 = -10(x - (-1))y3=10(x+1)y - 3 = -10(x + 1)
  5. Distribute and Simplify: Distribute the slope on the right side of the equation and simplify. y3=10x10y - 3 = -10x - 10
  6. Solve for y: Solve for y to put the equation in slope-intercept form.\newliney=10x10+3y = -10x - 10 + 3\newliney=10x7y = -10x - 7

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