Answer:
(8, 0)
Step-by-step explanation:
The x-intercepts are the roots or solutions of a quadratic equation. To solve this equation use the quadratic formula.
![\frac{-b\pm\sqrt{b^2-4ac} }{2a}](https://tex.z-dn.net/?f=%5Cfrac%7B-b%5Cpm%5Csqrt%7Bb%5E2-4ac%7D%20%7D%7B2a%7D)
In this equation, a = 1, b = -16, and c = 64. Substitute these values into the formula.
![\frac{-(-16)\pm\sqrt{(-16)^2-4(1)(64)}}{2(1)}\rightarrow \frac{16\pm\sqrt{256-4(64)} }{2} \rightarrow \frac{16\pm\sqrt{0} }{2}](https://tex.z-dn.net/?f=%5Cfrac%7B-%28-16%29%5Cpm%5Csqrt%7B%28-16%29%5E2-4%281%29%2864%29%7D%7D%7B2%281%29%7D%5Crightarrow%20%5Cfrac%7B16%5Cpm%5Csqrt%7B256-4%2864%29%7D%20%7D%7B2%7D%20%5Crightarrow%20%5Cfrac%7B16%5Cpm%5Csqrt%7B0%7D%20%7D%7B2%7D)
After simplifying, you are left with 16/2 which is 8.
The x-intercept of the graph of this function is (8, 0).
360.
A general rule of thumb when dealing with questions like these is using the following equation:
(number of numbers) x (mean) = sum of numbers
Proof/Example: 7, 10, 13
There are 3 numbers here and the mean is 10. Multiply them together and you will get 30, just as you will get 30 from adding them together.
In this case, there are 4 numbers and the mean is 90, so 4 x 90 = 360.
Answer:
151
Step-by-step explanation:
They are vertical angles.