Q. A line with a slope of 7 passes through the points (2,−5) and (4,t). What is the value of t?t = ____
Understand slope concept: Understand the concept of slope.The slope of a line is the ratio of the change in the y-coordinate to the change in the x-coordinate between two points on the line. The formula for slope (m) is given by:m=(x2−x1)(y2−y1)Here, we are given the slope (m) as 7, and we have the coordinates of two points on the line: (2,−5) and (4,t).
Plug values into formula: Plug the known values into the slope formula.We can use the given slope and the coordinates of the two points to create an equation:7=4−2t−(−5)
Simplify equation: Simplify the equation.7=4−2t+57=2t+5
Solve for t: Solve for t.To find t, we need to multiply both sides of the equation by 2:2×7=t+514=t+5
Subtract to isolate t: Subtract 5 from both sides to isolate t.14−5=t9=t
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