Algebraic expressions
1 answer:
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Answer:
x=2, x=-5
Step-by-step explanation:
to work more comfortably, the first thing we need to do is work the equation linearly, for that we take advantage of the property of logarithms that tells me that
in this way, the equation remains as:
Now we clear the equation so that it is of the form
finally, we apply the equation to solve second degree equations
x=2 and x=-5
Done
Answer:
Step-by-step explanation:
<u>Using mental math to find the slope of the line:</u>
If you think about the formula, then you set up the points in your head, you will notice that the first point is on top of the second point. And that way makes it easy to simplify. All you would need to do is subtract down in your head: For example:
(0, 0)
(4, 8)
As you can see, the first point is on top of the other, and that way you can just subtract from bottom to top. If you do it that way, it is set up (Remember, you would do this all in your head)
