-10x + y = 4
I am not sure how to apply this/what to plugin. For example how would I use this function rule if x = -2
Thanks
That is the function rule btw
-10x + y = 4
add +10x to both sides
-10x + y = 4
+10x = +10x
---------------------- add
y = 10 x + 4
now if x = -2
then
y = 10(-2) + 4
looks like around -16 to me
check by using that y = -16 in the original
Thanks
To use the given equation, -10x + y = 4, and to find the value of y when x = -2, you need to substitute the value of x into the equation.
Let's plug in x = -2 into the equation:
-10(-2) + y = 4
Simplify the equation:
20 + y = 4
Now, to isolate y, you need to move 20 to the other side of the equation by subtracting 20 from both sides:
20 + y - 20 = 4 - 20
y = -16
Therefore, when x = -2, the corresponding value of y that satisfies the equation is y = -16.