Chapter 2 - Algebra Flashcards
1
Q
what are the seven rules of powers and roots
A
multiplying powers = add them dividing powers = subtract them brackets = multiply them to the power of 1 is itself to the power of 0 is 0 1 to any power is 1
2
Q
how do you find fractional powers
A
1/2 is square root
1/3 is cube root
1/4 is fourth root
etc…
3
Q
how do you find a DOT (Difference of two squares)
A
a squared - b squared = (a + b)(a - b)
4
Q
how do you factorise quadratics
A
multiplies to c and adds to a
5
Q
how do you solve algebraic fractions
A
simplify and cancel down
