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fomenos
3 years ago
13

Given two linear equations, explain how you can determine if the lines are parallel without graphing them

Mathematics
1 answer:
alexira [117]3 years ago
7 0
Hello : 
let A and B two points in the first line calculate the slope : <span>:   (YB - YA)/(XB -XA)
</span>let C and D two points in the second line calculate the slop  (YC - YD)/(XC -XD)
you are slope 
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What is the rate of change? how do you find it?
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3 years ago
250% of what number is 90
katrin2010 [14]
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3 years ago
2.1.4 Practice: Adding Rational Numbers
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Ur. What is Akiko's unit rate in miles per hour?
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Step-by-step explanation:

pic do you have

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