We develop an equation for the given situation by first writing the general equation for lines,
y = mx + b
Substituting to this given the values given above,
(1990) 430 = b
(2000) 400 = m(10) + 430
The value of m from the equation in 2000 is -3. Thus, the equation of that relates the variables is,
y = -3x + 430
Answer:
You can't get a square root of any number that has a negative sign on the inside of the radical
If n is ten then the expression would change to
2(10)+4
20+4
so your answer would be 24
The correct answer is a= -2
the answer is the second option (-5,1)
