For x=5 the function will be zero
Further explanation:
In order to find the value on which a particular function will be zero, the function is put equal to zero and the equation is solved for x.
Given function is:
Putting the function equal to zero
For x=5 the function will be zero i.e.
f(x)=0
We can verify:
Keywords: Functions, solution of functions
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Separate the 1st 2 terms from the 3rd term:
y = x^2 - 8x + 7
Next, take half of the coefficient of x (that is, half of -8).
In this case that'd come out to -4.
Square this -4 and add the result (16) to x^2 - 8x: x^2 - 8x + 16; subtract -16 from 7:
x^2 - 8x + 16 7 - 16
Write the trinomial as
a perfect square:
(x-4)^2 -9
The answer is (x-4)^2 - 9.
This approach is very useful. Note that the vertex of the parabola represented by the given polynomiql is (4,-9).
Answer:
136 minutes
Step-by-step explanation:
Given :
2 miles ----> takes 17 min
1 mile -----> takes 17/2 min
hence the unit rate is (17/2) min per mile
Thus, 16 miles will take
= (17/2) miles per min x 16 miles
= (17/2) x 16
= 136 minutes
P^2-6p+5=(p-2)(p-3) ///////////:////////
