samueldfhung
04.09.2020 •
Mathematics
If someone can answer this quickly and correctly I will give them Brainliest. 1. What is the function rule represented by the following table? x y 0 3 1 -1 2 -5 y = -2 x + 1 y = -3 x y = -2 x - 1 y = -4 x + 3 2. What is the value of the 11th term in the sequence -3, -6, -12, -24, ...? -6,144 -118,098 -3,072 -354,294
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Ответ:
y= -4x + 3
Step-by-step explanation:
Because the slope is -4/1 which is the same as 4 and 3 is the y-intercept.
Here's the work;
We can just use the first two coordinates which are (0,3) and (1,-1) to get from the x-value 0 to 1 we add 1. and to get from the y-value 3 to -1 we subtract 4. Therefore the slope is -4 and the y- intercept (when x is zero) is 3. Pop that into slope intercept form to get y=-4x +3
Hope that helps and have a great day!
Ответ:
Option (B) is correct.
The system of equations has no solution.
Step-by-step explanation:
Consider a system of linear equation in two variables,
(1)
and (2)
Multiply equation (1) by 2, we get,
(1) ⇒ (3)
Now, subtract (2) from (3), we get
Here, both variables x and y got cancel out and we are left with 0 = 7 which is not true. thus, the system has no solution.
Also, when we plot these system we get parallel lines which has no solution.( refer attachment)
Thus, when solving a system of linear equations in two variables, both variables happen to cancel, leaving you with a false statement ,then the given system of equations has no solution.