EXPONENTS AND NEGATIVE NUMBERS
ZERO POWER RULE;
ANY NUMBER RAISED TO THE ZERO POWER EQUALS 1; ANY NUMBER RAISED TO THE ZERO POWER EQUALS 1;
REMEMBER;
NEGATIVE NUMBER WITH EVEN POWER IS POSITIVE; NEGATIVE NUMBER WITH ODD POWER IS NEGATIVE; NEGATIVE NUMBER WITH EVEN POWER IS POSITIVE; NEGATIVE NUMBER WITH ODD POWER IS NEGATIVE
RULE: ANYTIME YOU RAISE A NEGATIVE
NUMBER TO THE THIRD POWER OR CUBED IT IS ALWAYS NEGATIVE! -3(³) cubed -3x−3x−3 ∨ ∨ +9x−3 = −27 -3x−3 = +9 same sign positive then multiply +9 to last −3 +9x−3 = −27 opposite signs negative
RULE: A NEGATIVE NUMBER RAISED
TO AN EVEN POWER IS ALWAYS A POSITIVE NUMBER!! A NEGATIVE NUMBER RAISED TO AN EVEN POWER IS ALWAYS A POSITIVE NUMBER!!
RULE; A NEGATIVE NUMER RAISED
TO AN ODD POWER IS ALWAYS A NEGATIVE NUMBER. A NEGATIVE NUMBER RAISED TO AN ODD POWER IS ALWAYS NEGATIVE.
Exponents can be used
with negative numbers; -2(²) squared is; -2 x −2 = 4 -3(²) squared is -3x−3 = 9 REMEMBER; in multiplication of integers: RULE; SAME SIGN POSITIVE OPPOSITE SIGNS NEGATIVE