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Math

Math Snap

PROBLEM

Calculate the slope of the line through points (1,2)(-1,2) and (4,5)(4,5); state if it rises, falls, horizontal, or vertical.

STEP 1

Assumptions1. We have two points in the Cartesian coordinate system (1,)(-1,) and (4,5)(4,5). The slope of a line passing through two points (x1,y1)(x1, y1) and (x,y)(x, y) can be calculated using the formulaslope=yy1xx1slope = \frac{y - y1}{x - x1}

STEP 2

Let's denote the given points as followsPoint1 (1,2)(-1,2), so x1=1x1 = -1 and y1=2y1 =2
Point2 (4,5)(4,5), so x2=4x2 =4 and y2=5y2 =5

STEP 3

Substitute the values of x1x1, y1y1, x2x2, and y2y2 into the slope formula.
slope=y2y1x2x1=52(1)slope = \frac{y2 - y1}{x2 - x1} = \frac{5 -2}{ - (-1)}

STEP 4

implify the expression in the numerator and the denominator.
slope=3slope = \frac{3}{}

SOLUTION

The slope of the line passing through the points (1,2)(-1,2) and (4,5)(4,5) is 35\frac{3}{5}.
Since the slope is positive, the line rises from left to right.

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