In Exercises 51−56, the letters a, b, and c represent nonzero constants. Solve the equation for x
2 answers:
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The correct next step Amy could take is to factor (x^2 - 16) on the left side of the equation to yield (x + 4)(x – 4)(x + 2) = 0.
The equation is given as:
The possible next steps are:
1. Expand the equation as follows
2. Express x^2 -16 as a difference of two squares as follows
However, the correct step in this case is to factor x^2 - 16 as a difference of two squares to give
This is so, because the question says Amy is trying to solve for variable x.
This step will ensure that she gets the possible values of x, unlike expanding the whole equation .
Hence, the correct next step is
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Answer:
Step-by-step explanation:
From the question we are told that:
Rate
Height
Radius
Generally the equation for Volume of Cone is mathematically given by
Differentiating