によって Grenethea Atwell 11年前.
305
もっと見る
Rule3:if we multiply both sides of an inequality by a positive number,the inequality does not change
Rule 4:if we multiply both sides of an inequality by n negative number the inequality sign must be reversed
Example:square root of 4=2
Example:x^2=x^2 or 4^2=16
Examples:1,3,5,7,9...
Examples:2,4,6,8,10...
Example:1,2,3,5,7...
Example:-6,-5,-4,-3,-2,-1,0,1,2,3,5
Example:1,2,3,4....
Example:5x3=15
3of4=12
(-+-=+) Example:-3x-4=12
-x+=-(Example:-3x4=-12
Example:4-(-1)=5
Example:2+3=5
9--8=1
9-8=
3+6-8=
3+3x2-8=
(9/3)+3x2-4of2=