www.reference.com/article/slope-line-2b4da6b0454d1c56

Calculating the slope of a line involves using a simple algebraic equation after identifying two points on the line. The equation is as follows: slope = (y1 - y2) / (x1 - x2).

www.reference.com/article/parallel-lines-ea91c8fd1732fc5d

Parallel lines are defined as lines that are equal distance apart and never touch. Being an equal distance apart is also known as equidistant. Parallel lines always point in the same direction.

www.reference.com/world-view/parallel-lines-important-f774ed8469281b53

Parallel lines are important in mathematics because they are at the base of several conjectures involving angles in geometry. Drawing a line, called a transversal, through a pair of parallel lines forms three different types of angles that have known mathematical properties.

www.reference.com/article/parallel-line-look-like-3544a1e88549dece

Parallel lines are two lines that are the same distance apart along their length. They never touch one another. They look like the outer lines of a road or the edges of a rail track.

www.reference.com/article/slope-line-passing-through-two-points-c120808464718d97

There are two components to the slope of a line: its direction and its magnitude. Find the slope of a line by observing whether, from left to right, the line rises or falls and whether the line is vertical or horizontal. Then, take the coordinates of any two points on the line and divide the differe

www.reference.com/article/slope-horizontal-line-7121e2f00f924c53

The slope of any horizontal line is always zero. The word "slope" is defined as the incline or the steepness of a straight line. If a line is horizontal, there is no incline.

www.reference.com/world-view/real-life-examples-parallel-lines-a44a0c01416e0ff3

Parallel lines exist everywhere in everyday life, including on the sides of a piece of paper and the way that the shelves of a bookcase are positioned. Parallel lines are two or more lines that when drawn out infinitely long never intersect.

www.reference.com/article/slope-two-points-372b2e05bc19bde2

To find the slope of a line, you need the ratio of the change in y to the change in x. Even if there is no equation, you can still derive the slope by comparing two points on the line. After doing this, you can extrapolate the intercepts.

www.reference.com/article/construct-parallel-lines-12f41e881f3166e1

Parallel lines are lines that never cross each other. The key to constructing parallel lines is to know that they have the exact same slope.

www.reference.com/world-view/slope-budget-line-represent-f546eb7b3d8f2416

The slope of the budget line represents the amount of good "y" the consumer must give up to purchase one more unit of a good "x." The budget line itself represents the number of good bundles a consumer can buy with limited income.