You and your friend complete video game levels at the same rate. You complete 5 levels in 45 hours. How many levels does your fr
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Answer:
Step 1:
To find ordered pair solutions, you could create an x and y graph and fill out the x side. Then, plug in an x number to get your y number and graph the ordered pairs to see if they give you a straight line. I'm going to use these numbers: -1, 0, 1, and 2.
Now, let's plug in -1 into the equation first to see what we get for y.
-5 is our y if x was -1.
We do the same for the other three numbers.
Step 2:
With all that done, we can now fill out our table and graph the points.
If you graph these points on graph paper / a graphing website, you will see that these points go in a straight line. If you are given an ordered pair already (for example: (3,5)), then all you have to do is plug in the x into the equation (3) and see if the outcome is true (5).
Since they don't equal each other, then (3,5) is false.
Here is the graph for the table above. I hope I helped you!
The correct quadratic equation for that set of points is:
To check it, simply put first and last pair of points and assure the equality:
To check it, simply put first and last pair of points and assure the equality: