The vertex form of the equation of a parabole is (x - h)^2 + k
So you must complete squares to transform x^2 -2x - 6 in its vertex form.
1) convert x^2 - 2x in a square => (x - 1)^2 - 1
2) Add the constant term - 6 => (x - 1)^2 -1 - 6
3) Add similar terms => (x - 1)^2 - 7
You can verify that (x - 1)^2 - 7 is equal to x^2 - 2x - 6:
x^2 - 2x + 1 - 7 = x^2 - 2x - 6. So, do not doubt it, the vertex form is (x - 1)^2 - 7, where the coordinates of the vertex are (1, - 7)
Answer: option A (x - 1)^2 - 7
the question in English is
<span>In the previous figure, segment BC is parallel to segment AD. The trapezoidal area ABCD, in square centimeters, is
</span>
we know that
area of trapezoid=(1/2)*[(BC+AD)*AB]
BC=8 cm
AD=12 cm
AB=2 cm
so
area of trapezoid=(1/2)*[(8+12)*2]-------> 20 cm²
the answer is
20 cm²
the answer in Spanish
Sabemos que
area del trapecio=(1/2)*[(BC+AD)*AB]
BC=8 cm
AD=12 cm
AB=2 cm
area del trapecio=(1/2)*[(8+12)*2]-------> 20 cm²
La respuesta es
20 cm²
Answer:
AC = 5.03
Step-by-step explanation:
tan theta = opposite / adjacent
tan 40 = x /6
Multiply each side by 6
6 tan 40 = x/6 *6
6 tan 40 = x
5.034597787 = x
AC = 5.03 to the nearest hundredth
Answer:
A gatekeeper
Step-by-step explanation:
"60 Minutes" is acting as a gatekeeper.
Gatekeeping is a theory in mass communication that involves selecting, and then filtering items of media that can be consumed within the time or space that is allocated to an individual. This means gatekeeping falls into a role of surveillance and monitoring data. Information is filtered for dissemination, for the purpose of publication, broadcasting, the Internet, or some other mode of communication.
Answer:
A.
Step-by-step explanation: