primitive roots mod 13

Find the square root of 784. => 28 or 13 or 18 or 22..

Find the square root of 169. => 13 or 26 or 39 or 13 2..

Between which two whole numbers does the square root of 178 lie? => 15 and 16 or 13 and 14 or 14 and 15 or 12 and 13..

Identify the list that shows all the possible rational roots of the equation 4 x 13 + 4 x 7 + 2 x + 5 = 0. =>± 1 2 , ± 1 4 , ± 5 2 , ± 5 4 or ± 1, ± 1 2 , ± 1 4 , ± 5 or ± 1, ± 1 2 , ± 1 4 , ± 5,..

Find the roots of f ( x ) = 6 x ³ - 13 x ² + 9 x - 2. => -1 2 , - 1 and 0 or 1 2 , 2 and 0 or -1 2 , - 2 and 0 or 1 2 , 2 3 , and 1..

For what value of K, the quadratic equation 8K x 2 - 4 x + (9K - 8) = 0 has one root as the reciprocal of the other. => -8 or 8 or 17 or 13..

Express the expression with as few square root symbols as possible and no parentheses. 12 7 + 2 1 3 - 5 7 + 11 1 3 => 13 7 + 7 1 3 or 7 7 + 13 1 3 or 14 7 + 6 1 3 or 7 7 - 13 1 3..

The process is the transformation of gaseous nitrogen into nitrates by living organisms. Biological nitrogen fixation occurs by: a) Symbiotic nitrogen fixation, which is brought about by certain bacteria such as: i) Rhizobium species in the root nodules of legumes (pea family) ii) Nostoc..

. The spores also help in tiding over unfavourable conditions as they are covered with a thick wall. Fragmentation takes place in some lower plants and animals such as some worms. The mature organism breaks up into two or more pieces or fragments. The fragments then grow into complete organisms. Re..

Pteridophytes - The division Pteridophyta includes a group of primitive vascular plants, commonly called pteridophytes. The adult plant body in these plants is a sporophyte. It shows differentiation into true roots, stem and leaves. The stem is mostly herbaceous . Leaves may be ..