Answer:
Answer is x= -4 and y= 3
Step-by-step explanation:
![given \: equations \: are \\ 3x + 4y = 0 \: \: and \: 2x + 3y = 1 \\ multiply \: by \: 2 \: in \: first \: equation \\ 6x + 8y = 0 \\ multiply \: by \: 3 \: in \: second \: equation \\ 6x + 9y = 3 \\ subtracting \: the \: above \: mentioned \: equation \: \\ we \: get \: - y = - 3 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: y = 3 \\ substitute \: y = 3 \: in \: first \: equation \\ 3x + 4(3) = 0 \\ 3x = - 12 \\ x = - 4](https://tex.z-dn.net/?f=given%20%5C%3A%20equations%20%5C%3A%20are%20%5C%5C%203x%20%2B%204y%20%3D%200%20%5C%3A%20%20%5C%3A%20and%20%5C%3A%202x%20%2B%203y%20%3D%201%20%20%5C%5C%20multiply%20%5C%3A%20by%20%5C%3A%202%20%5C%3A%20in%20%5C%3A%20first%20%5C%3A%20equation%20%5C%5C%206x%20%2B%208y%20%3D%200%20%5C%5C%20multiply%20%5C%3A%20by%20%5C%3A%203%20%5C%3A%20in%20%5C%3A%20second%20%5C%3A%20equation%20%5C%5C%206x%20%2B%209y%20%3D%203%20%5C%5C%20subtracting%20%5C%3A%20the%20%5C%3A%20above%20%5C%3A%20mentioned%20%5C%3A%20equation%20%5C%3A%20%20%5C%5C%20%20we%20%5C%3A%20get%20%5C%3A%20%20-%20y%20%3D%20%20-%203%20%5C%5C%20%5C%3A%20%20%5C%3A%20%20%5C%3A%20%20%5C%3A%20%20%5C%3A%20%20%5C%3A%20%20%5C%3A%20%20%5C%3A%20%20%5C%3A%20%20%5C%3A%20%20%5C%3A%20%20%5C%3A%20%20%5C%3A%20%20%5C%3A%20%20y%20%3D%203%20%5C%5C%20substitute%20%5C%3A%20y%20%3D%203%20%5C%3A%20in%20%5C%3A%20first%20%5C%3A%20equation%20%5C%5C%203x%20%2B%204%283%29%20%3D%200%20%5C%5C%203x%20%3D%20%20-%2012%20%5C%5C%20x%20%3D%20%20-%204)
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Answer:
The answer would be C,
Yes the graph passes the vertical line test
Answer:
x:8/3
y:-2
Step-by-step explanation:
Answer:
A. Cos2x
Step-by-step explanation:
f(x) = sin(x)cos(x) = (1/2) sin(2x) using double angle formula.
f'(x) = ( (1/2)sin(2x) )' = 2(1/2)cos(2x) = cos(2x)
Answer:
-x + 4
Step-by-step explanation:
(4x+5)+(−5x−1)
4x+5−5x−1 [Remove the parentheses]
-x + 4 [Combine Like Terms]