The mathematical sign for less than is <. This sign is used in inequalities, which are statements indicating one number or expression is larger or smaller than another. The less than sign with a horizontal line drawn just below it means "less than or equal to."
Continue ReadingAn example using the less than sign is 5 < 10. Several signs show the relationship between expressions in a mathematical statement. The equal sign is =, and the "not equal sign" is the same as an equal sign with a left-slanting line through it. The greater than sign is >, and the greater than or equal to sign is > with a horizontal line beneath it.
Learn more about AlgebraThe congruent sign is a symbol used in geometry to indicate that two figures have the same size and shape. The sign consists of two parallel, horizontal lines topped by a single slightly wavy line. This is a combination of the "equal" sign and the "similar" sign.
Full Answer >One can determine if a relation is a function by graphing the relation, drawing a vertical line on the graph and then checking whether the line crosses the graph at more than one point. If the line crosses the graph only once, the relation is a function.
Full Answer >The prime factorization of the number 700 is 7 x 5 x 5 x 2 x 2. Using exponents, it is expressed as 2^2 x 5^2 x 7. A prime number is a number only divisible by itself and one.
Full Answer >Written in standard form, the axis of symmetry formula is x = -b/(2a). It is derived from the standard formula for a parabola of y = ax^2 + bx + c. A parabola is a u-shaped geometric structure.
Full Answer >