K/-9 + 6 = -4 how to solve/or answer?
1 answer:
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The roots of an equation are simply the x-intercepts of the equation.
See below for the proof that has at least two real roots
The equation is given as:
There are several ways to show that an equation has real roots, one of these ways is by using graphs.
See attachment for the graph of
Next, we count the x-intercepts of the graph (i.e. the points where the equation crosses the x-axis)
From the attached graph, we can see that crosses the x-axis at approximately <em>-2000 and 2000 </em>between the domain -2500 and 2500
This means that has at least two real roots
Read more about roots of an equation at:
Answer:
Step-by-step explanation:
Given
Initial Temperature = -5F
Change (by noon) = 12 degrees
Required
Determine the temperature at noon
The temperature by noon is calculated as thus;
Substitute values for Initial temperature and change
Hence, the temperature at noon is 7F