Mathematics, 13.07.2019 00:30 7obadiah
All of the techniques for finding a line's equation use the definition of slope, which is given the symbol m. slope is defined as the difference between the y coordinates of two points, divided by the difference between the x coordinates of those two points. that is, if you have two points (x1,y1) and (x2,y2) on a line, the slope is m=y2−y1x2−x1. you might be able to remember the definition more easily in the form "the difference in the y values over the difference in the x values." the end result that you want is an equation that looks like y=mx+b, where m is the slope and b is the y intercept—the value of y where the line intersects the y axis. for instance, you might have as the final result the equation y=2x+4. in the example given of distance walked, you could easily determine how far you had walked after 2.5 minutes if you had an equation for the graphed line.
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Mathematics, 21.06.2019 13:30
One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?
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Mathematics, 21.06.2019 19:20
Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.
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Mathematics, 21.06.2019 20:20
Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.
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All of the techniques for finding a line's equation use the definition of slope, which is given the...
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