Answer:
3 digit
Step-by-step explanation:
it's square root is 223..
it has 3 number.so, it's digits is 3.
Answer:
a = ±23
Step-by-step explanation:
![a^2=529](https://tex.z-dn.net/?f=a%5E2%3D529)
![a_{1} =23](https://tex.z-dn.net/?f=a_%7B1%7D%20%3D23)
![a_{2} =-23](https://tex.z-dn.net/?f=a_%7B2%7D%20%3D-23)
Answer:
the answer would be 169.666666667
Answer:
![\frac{25}{4}](https://tex.z-dn.net/?f=%5Cfrac%7B25%7D%7B4%7D)
Step-by-step explanation:
The given expression is
![x^2+5x](https://tex.z-dn.net/?f=x%5E2%2B5x)
Since the coefficient of the quadratic term is 1, you must add the square of ![\frac{5}{2}](https://tex.z-dn.net/?f=%5Cfrac%7B5%7D%7B2%7D)
which is
![=(\frac{5}{2})^2](https://tex.z-dn.net/?f=%3D%28%5Cfrac%7B5%7D%7B2%7D%29%5E2)
We square both the numerator and the denominator to obtain,
![=\frac{5^2}{2^2}](https://tex.z-dn.net/?f=%3D%5Cfrac%7B5%5E2%7D%7B2%5E2%7D)
This will give us
![=\frac{25}{4}](https://tex.z-dn.net/?f=%3D%5Cfrac%7B25%7D%7B4%7D)
Your scaling in the x direction is OK, but you didn't scale in the y direction properly. Hint. Scale each vertex of the original rectangle independently to construct the scaled rectangle.
I see the original points and their scaling by 2 as
(2,2) - Scales to (2*2, 2*2) = (4,4) OK in your drawing.
(-2,2) - Scales to (-2*2, 2*2) = (-4,4) OK in your drawing.
(2,5) - Scales to (2*2, 5*2) = (4,10) Error in your drawing.
(-2,5) - Scales to (-2*2, 5*2) = (-4,10) Error in your drawing.