Is the square of a negative number negative or positive without brackets?
(-2)²=(-2)×(-2)=4
-2²=-2×2=-4
RELATED INFORMATIONS
- 1. It is known that: x2 + Y2 + 4x-6y + 13 = 0, where x and y are rational numbers, then YX=______ .
- 2. Given that x ^ 2 + y ^ 2 + 4x-6y + 13 = 0, X and y are rational numbers, find the value of x ^ y
- 3. Write 5 rational numbers (which cannot be repeated), 3 of which are non negative; 3 of which are non positive; 5 of which are all positive
- 4. Arbitrarily write 5 rational numbers (without repetition), of which 3 are non positive and non negative, and 5 cannot be integers
- 5. Write five rational numbers (no repetition) and satisfy the following three conditions: 1. Three of them are non negative; 2. Three of them are non positive; 3. Three of them are fractions I can't read it. Who can write it for me
- 6. Do not calculate the quadratic power of 4 + 4 + the cubic power of 4 + the quartic power of 4 + +A number to the 50th power of 4 Help to solve this problem. In addition, how to square it
- 7. Given that a B is a rational number, and the square of (a + √ 3) is B, the value of B to the power of a is obtained
- 8. If the rational numbers x and y satisfy the quadratic power of | x + Y-3 | + (X-Y + 1) = 0, find the quadratic power of (x multiplied by the quadratic power of Y) multiplied by the quadratic power of (x multiplied by the quadratic power of Y) Value of
- 9. There is a set of numbers, the first is - (A's Square), the second is (A's fifth power / 2), the third is - (A's eighth power / 3), the third is - (A's fifth power / 2)
- 10. The people's education press has known that a = a + the quadratic power of a + the cubic power of a +. + the 100th power of A (1) When a = 1, find the value of the second power of A (2) When a = - 1, find the value of A (3) When the absolute value of a = 0, find the value of the sixth power of a + half the second power of a + 7
- 11. How to calculate the negative square of a number? No, it's a power. It's a negative number
- 12. How to calculate the negative square of a constant
- 13. How to calculate the square of negative number
- 14. Is the negative 2 square of a negative number a positive number, such as (- 2) ^ - 2
- 15. Do negative numbers have square roots? Is an imaginary number the square root of a negative number I remember that negative numbers have no square root What is the imaginary number? If not, why not
- 16. Why does the value of root 6 have no negative number, only positive number, but the square root of 6 has negative number?
- 17. Why do negative numbers have no square root?
- 18. Can't the root of the root be negative and zero?
- 19. Simple operation of the power of the product of grade seven 1) The fifth power of 2 × the fourth power of 5 2) (- two thirds) to the power of 2005 × 1.5 to the power of 2005 3) 8 to the power of 8 × (- 1 / 4) to the power of 12 4) The fifth power of (- 3) × (- 2 / 3) × the sixth power of (- 5) It's gone Don't give me a short answer - thank you first.
- 20. The power of 3-trace product (simple operation + process) (1)2^5*5^4 (2)8^8*(-1/4)^12 (3)(-3)^5*(-2/3)^5*(-5)^6 For these three questions, it is necessary to simplify the calculation and complete the process! 2^5x5^4 8^8x(-1/4)^12 (-3)^5x(-2/3)^5x(-5)^6