Evaluate the expression for the given values. mx−y when m=2, x=7, and y=5 Enter your answer in the box.
2 answers:
Answer:
The value of the expression for m=2, x=7, and y=5 is 9.
Step-by-step explanation:
Consider the provided expression.
We need to find the value of the expression, for m=2, x=7, and y=5.
Substitute the respective values in the above expression as shown:
Hence, the value of the expression for m=2, x=7, and y=5 is 9.
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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:
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