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Two bars on either side of a number means absolute value. Absolute value is the distance of the number from zero. That is why the absolute value of a number is never negative, it only asks how far, not in what direction. |3| = 3. |-3| = 3. It's pretty much the number that is on the inside of the bars except always the positive version. If there is a negative sign (-) on the outside, then it would work like this. -|3|= -(3) = -3. -|-3| = -3. If you still didn't understand, here is a link.
What else can I help you with?
What attribute must be present for a quadrilateral to also be a trapezoid?
It must have only one set of parallel lines.
What is the opposite sides of a parallelogram are both parallel?
The opposite sides of a parallelogram are parallel lines and a parallelogram is a 4 sided quadrilateral
How many lines does an irregular polygon have?
An irregular polygon is one which may either have one or more sides that are not the same length as other sides. Or it can have one or more angles that are not the same measure as other angles. Or it could have both. It can have any number of sides (>2).
How are rhombus and pentagon alike?
they both have the same sides * * * * * No, they do not. A rhombus has four sides whereas a pentagon has five. The only way in which they are similar is that they are both polygons - or plane figures bounded by straight lines.
The similarities between a trapezoid and a parallelogram?
* Both are four sided figures,so both are quadrilaterals. * In trapezium, one pair of opposite sides are parallel,so as in parallelogram its opposite sides are parallel. *both have at least 2 parallel sides
Is 6 symmetrical?
no ****************** Draw a vertical line through the centre of the number 6. As both sides are not identical, then there is no symmetry. Do the same with a capital H, and there is symmetry, as both sides of the vertical line are identical.
Can vertical angles be supplementary angles-?
Vertical angles can be supplementary angles if the lines are perpendicular and then both of the vertical angles would be 90 digress.
What are the similarities and differences between hexagons and pentagons?
similarities: > both polygons difference: > number of lines or sides, points
Verical lines in Microsoft Excel are called in microsoft EXcel?
The actual lines are known as gridlines, both vertical and horizontal. A vertical line of cells is known as a row.
Why did both sides Race to the Sea?
It was called that because both sides had dug trench lines until they reached the shore.
What is true about the slope of parallel lines?
The slopes will be the same. It is also possible that both parallel lines have no slope defined - if they are vertical.
How is a parallelogram and a trapezoid the same?
They both have four sides, and at least one pair of parallel lines.
Can two vertical angles be both be right angles?
ya, they're perpendicular lines
How are a square and a rectangle alike?
four right angles four sides/edges two sets of parallel lines (ect, ect...)
How does two number lines that intersect form a cartesian coordinate system?
The Cartesian plane consist of an horizontal x axis number line and a vertical y axis number line and both axes are perpendicular to each other intersecting at the point of origin which is at (0, 0) or at their respective number lines which is zero.
What attribute must be present for a quadrilateral to also be a trapezoid?
It must have only one set of parallel lines.
What shapes have 4 line's of symmetry?
The square is the only one I can think of. The lines are vertical, horizontal, and both diagonals.
