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Explain How do you determine the difference when subtracting two integers with different signs?
Examples: Write the first integer as it is, turn the subtraction into the addition, change the sign of the second integer, and follow the rules of addition. -7 - (2) = -7 + (-2) = -(7 + 2) = -9 10 - (-8) = 10 + (+8) = 18
Why change mixed numbers to improper fractions?
For addition, subtraction, division and multiplication with other fractions
What is the rule for subtracting integers?
if they are two positive numbers, do it normally.If there is a negative and a positive, change it to addition and switch the SECOND integer sign. Only works with two integers in a subtraction question.Example: (-32)-(+2)= (-34) / (-32)+(-2)=(-34)
What is different between constant and integer?
A constant is a value that does not change, an integer is a positive whole number.
What does it mean when your slope is an integer?
Nothing particularly. All that it means is that your measurement units for the variables are such that a unit change in the horizontal axis is accompanied by a change of a whole number of units for the other variable. A integer gradient for a variable against time, when the latter is measured in seconds will be 1/3600 of that gradient when the time is expressed in hours - quite possibly that will be a non-integer. So what?
