7 7 feet 100 feet So what is
- Slides: 14
7% 7 feet 100 feet So, what is slope? ? ? is the steepness of a line.
• A line with positive slope slants upward from left to right. • A line with negative slope slants downward from left to right. • A line with slope of 0 is horizontal. • A line with an undefined slope is vertical.
Slope can be expressed different ways: A line has a positive slope if it is going uphill from left to right. A line has a negative slope if it is going downhill from left to right.
Start with the lower point and count how much you rise and run to get to the other point! 6 3 rise 3 = = run 6 Notice the slope is positive AND the line increases!
-1 2 Find points on the graph. Use two of them and apply rise over run. The line is decreasing (slope is negative).
Writing Linear Equations Linear Equation – an equation whose graph is a line. Examples: Y-Intercept the y-coordinate of the point where a line crosses the yaxis.
Slope Intercept Form of a Linear Equation y = mx + b slope y-intercept What are the slope and y-intercept of y = 3 x – 5 ? the slope is 3, and the y-intercept is -5 What are the slope and y-intercept of y=-2 x + 1? the slope is -2, and the y-intercept is 1
Graphing Linear Equations Each point on the graph of an equation is an ordered pair that makes the equation true. The graph of a linear equation is a line that indicates all the solutions of the equation. You can use the slope and y-intercept to graph a line.
Now look at the graph of the line. Step 1: Look at the y-intercept and plot where the graphs cross the “y” axis. Step 2: Use the slope (rise/run) to determine the next point and plot. Remember that the slope is 2, so go up 2 and to the right 1. Step 3: Draw a line through both points. Be sure to extend pass point and put arrow at both ends.
Now look at the graph of the line. Step 1: Look at the y-intercept and plot where the graphs cross the “y” axis. Step 2: Use the slope (rise/run) to determine the next point and plot. Remember that the slope is -2/1. So go down 2, and to the right 1. Step 3: Draw a line through both points. Be sure to extend pass point and put arrow at both ends.
Find the slope of the line that passes through the points (-2, -2) and (4, 1). When given points, it is easier to use the formula! y 2 is the y coordinate of the 2 nd ordered pair (y 2 = 1) y 1 is the y coordinate of the 1 st ordered pair (y 1 = -2)
Find the slope of the line that passes through (3, 5) and (-1, 4). 1. 2. 3. 4. 4 -4 ¼ -¼
Point-Slope Form y – y 1 = m(x – x 1) (x 1 , y 1) point m = rise = slope run
Writing in Point-Slope • Given a point and a slope, write an equation in pointslope form y – y 1 = m(x – x 1) Example 1: (3, 8) m = 2 x 1, y 1 y – 8 = 2 (x – 3)
- 100 100 100 100 100
- Square feet to board feet
- How many feet for parallel parking test in nj
- How to do a three point turn
- 100 feet example
- Malloc lab 100/100
- 200+100+300
- Yüzde yirmi fazlası kaçtır
- 100 + 100 + 200
- Héroïne dans la guerre de 100 ans (100 years war).
- C/100=f-32/180=k-273/100
- 200+200+100+100
- 100+100=200
- 100 + 100 = 200
- What's 100 + 100