The numbers, what are they saying??
Answer:
<h3>(-12, 2)</h3>
Step-by-step explanation:
![\left[\begin{array}{ccc}1&1\\2&3\end{array}\right] \left[\begin{array}{ccc}x\\y\end{array}\right] =\left[\begin{array}{ccc}8\\36\end{array}\right] \\\\\left[\begin{array}{ccc}x+y\\2x+3y\end{array}\right] =\left[\begin{array}{ccc}8\\36\end{array}\right]\\.\qquad\qquad\Downarrow\\\left\{\begin{array}{ccc}x+y=8&|\text{multiply both sides by (-2)}\\2x+3y=36\end{array}\right](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D1%261%5C%5C2%263%5Cend%7Barray%7D%5Cright%5D%20%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7Dx%5C%5Cy%5Cend%7Barray%7D%5Cright%5D%20%3D%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D8%5C%5C36%5Cend%7Barray%7D%5Cright%5D%20%5C%5C%5C%5C%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7Dx%2By%5C%5C2x%2B3y%5Cend%7Barray%7D%5Cright%5D%20%3D%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D8%5C%5C36%5Cend%7Barray%7D%5Cright%5D%5C%5C.%5Cqquad%5Cqquad%5CDownarrow%5C%5C%5Cleft%5C%7B%5Cbegin%7Barray%7D%7Bccc%7Dx%2By%3D8%26%7C%5Ctext%7Bmultiply%20both%20sides%20by%20%28-2%29%7D%5C%5C2x%2B3y%3D36%5Cend%7Barray%7D%5Cright)
F(x) = -9x^2 - 7x + 8
f(5) = -9(5^2) - 7(5) + 8
f(5) = -9(25) - 35 + 8
f(5) = - 225 - 35 + 8
f(50 = - 252 <==
Answer:
The y-intercept is 2.
Step-by-step explanation:
Assuming that the graph is labelled in increments of 1, the line is crossing the y-axis at 2. That means it's the y-intercept.
I hope this makes sense! ☺
Answer:
=8b + 5
Step-by-step explanation:
do you need an explantion
