How do you find the range of (x^3+x^2-6x)/(4x^2+4x-8) algebraically?
1 answer:
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Answer:
D. The correct value of c = 7.4
Step-by-step explanation:
According to Tangent-Secant theorem:
"When a tangent and a secant are drawn from one single external point to a circle, square of the length of tangent segment must be equal to the product of lengths of whole secant segment and the exterior portion of secant segment."
Here, the external length of tangent segment = 10
Also, the length of internal segment is 14 and c.
So, by the SECANT THEOREM:
or, c = 7. 1428
Now, rounding off the value of c = 7. 14 to the nearest tenth, we get
c = 7. 4
Hence the correct value of c = 7.4
Answer:
step 2
Step-by-step explanation:
we have
---> given problem
step 1
Move the constant to the right side
the step 1 is correct
step 2
Complete the square
<u><em>The step 2 is not correct</em></u>
step 3
Rewrite as perfect squares
step 4
take square root both sides
step 5
Find the values of x