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When does the sign change in inequalities?
whenever you multiply or divide by a negative number
What happens when you multiply or divide an inequalitie by a negative number?
When an inequality is multiplied or divided by a negative number the inequality sign is reversed.Example : -x < 7 ......after multiplying by (say) -2 this becomes 2x > -14
If you multiply or divide both sides of an inquality by a negative number you need to?
Change the direction of the inequality.
What does it mean to multiply and divide fractions?
multiply and divide fractions!-.-
Do you divide or multiply first?
Divide
If you divide a negative number by a negative number will you get a positive number?
You will end up with a positive number. With integers, if you multiply or divide an even amount of negative numbers, the answer will be positive and if you multiply or divide an odd amount, the answer will be negative.
What happens when you divide a negative by a negative?
a negative divided by a negative is a positive
What happens if you multiply or divide an inequality by a negative number?
The inequality sign changes direction. So 2<3 Multiply by -2 and you get -4>-6 (similarly with division).
How many positive things to reverse a negative?
- * - = + - * + = - + * + = + - / - = + - / + = - + / + = + *= multiply /=divide
How can you Make a negative number into a positive value?
You can multiply or divide it by any negative number.
How do you divide a negative number by a positive fraction?
You multiply the negative number by the reciprocal of the fraction.
If you add a negative and a negative what do you get?
Adding negatives? You get a negative. But if you multiply/divide 2 negatives, that's a positive.
What happens when you times by a negative?
If you multiply by a negative you get a negative answer. A negative times a negative gives you a positive answer
What happens when you multiply five negative integers?
Nothing special. The answer is negative.
Do two negative integers equal a positive?
Only when you divide or multiply.
When does the sign change in inequalities?
whenever you multiply or divide by a negative number
What happens when you multiply or divide an inequalitie by a negative number?
When an inequality is multiplied or divided by a negative number the inequality sign is reversed.Example : -x < 7 ......after multiplying by (say) -2 this becomes 2x > -14
