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Slope of a line is the measure of the steepness and the direction of the line. It can be calculated using any two points lying on the line. Learn formula and method to find slope of line.
SOLVING REAL LIFE PROBLEMS INVOLVING SLOPE. Problem 1 : The percent y (in decimal form) of battery power remaining x hours after you turn on a laptop computer is y = -0.2x + 1. a) Graph the equation. b) Interpret the x and y-intercepts. c) After how many hours is the battery power at 75%. Solution : y = -0.2x + 1
Use geoboards to model slope. Use \ (m = \frac {\text {rise}} {\text {run}}\) to find the slope of a line from its graph. Find the slope of horizontal and vertical lines. Use the slope formula to find the slope of a line between two points. Graph a line given a point and the slope.
The lesson about slope of a line or how to find the slope will explain what it means for a slope to ne positive, negative, zero, or undefined mathematically. Continue your study of slope here in the order given below. What is slope. How to find the slope.
Worked example: slope from graph - Khan Academy
Find the slope of a straight line that passes through the points $(1,3)$ and $(-1,-1)$. Solution: The line slope is given by the formula $m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$ $m=\frac{-1-3}{-1-1}=\frac{-4}{-2}=2$
Real-Life Examples. 1. Road Inclines. Imagine you're driving up a hill. The slope of the road represents how steep the hill is. A higher slope means a steeper hill. If a road has a slope of 0.1, it means that for every 10 meters you travel horizontally, you rise 1 meter vertically. 2. Economics.
