Answer:
slope: 3
y-intercept: (0, -1)
Find slope:
![\sf slope : \dfrac{y_2 - y_1}{x_2- x_1} = \dfrac{\triangle y}{\triangle x} \ \ \ where \ (x_1 , \ y_1), ( x_2 , \ y_2) \ are \ points](https://tex.z-dn.net/?f=%5Csf%20slope%20%3A%20%5Cdfrac%7By_2%20-%20y_1%7D%7Bx_2-%20x_1%7D%20%3D%20%5Cdfrac%7B%5Ctriangle%20y%7D%7B%5Ctriangle%20x%7D%20%20%5C%20%5C%20%5C%20%20where%20%5C%20%28x_1%20%2C%20%5C%20y_1%29%2C%20%28%20x_2%20%2C%20%5C%20y_2%29%20%5C%20are%20%5C%20points)
Here given points are: (0, -1), (3, 8)
![\rightarrow \sf slope : \dfrac{8-(-1)}{3-0} = \dfrac{9}{3} = 3](https://tex.z-dn.net/?f=%5Crightarrow%20%5Csf%20slope%20%20%20%3A%20%5Cdfrac%7B8-%28-1%29%7D%7B3-0%7D%20%20%3D%20%5Cdfrac%7B9%7D%7B3%7D%20%20%3D%203)
When finding y-intercept, the value of x is 0. Here given y is -1 when x is 0.
y-intercept: -1 or (0, -1)
Answer:
It will always be the case when A and B are opposites
Step-by-step explanation:
sin(x) = -sin(-x) so ...
sin(A -A) = (A -A) = sin(A) -sin(A) = 0
That is, the given expression is true when B=-A.
5x + 2y = 30
x + y = 8 <==== multiply by -2
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5x + 2y = 30
-2x - 2y = -16 (result of multiplying by -2)
-------------add
3x = 14....u see how multiplying by -2 will eliminate the y's
Answer:
the answer is 15
Step-by-step explanation:
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Answer:
64
Step-by-step explanation: