Kevin and Brittany write an equation to represent the following relationship, and both students solve their equation. Who found
the correct equation and solution? Why is the other person incorrect?
5 times the difference of a number and 20 is the same as half the sum of 4 more than 4 times a number.
5 times the difference of a number and 20 is the same as half the sum of 4 more than 4 times a number.
1 answer:
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First, lets break up the equation into pieces.
The first variable is slope, in your case here, we have a slope of -3 or -3/1.
The other variable is the y-intercept, which is where place on the graph where you plot (0,X), in your case here we got (0,-4). That is the y-intercept.
to graph it you have to plot the y-intercept, and then identify the slope.
Here is an example.
There will be 8 ways to not pick yellow because there are 4 yellow and 3 green and blue and 2 red
