Powers with negative bases (8th grade/algebra)

When we have a power expression with a negative base, if the exponent is ODD, the end result will be negative. If the exponent is an even number, the final answer is positive. Note especially that (−2)⁴ and −2⁴ don't mean the same thing!

See also

Laws of exponents, part 1

Math Mammoth Grade 8 curriculum

Back to the list of 8th grade videos

Back to the index of all videos