When the value of x = -2 then, the value of y is 5.
When the value of y = -2 then the value of x is -0.25
Explanation:
Given:
-2y - 8x = 6
Considering x = -2
Then, we have to substitute the value of x = -2 in the equation.
-2y - 8(-2) = 6
-2y + 16 = 6
10 = 2y
y = 5
So, when the value of x = -2 then, the value of y is 5.
Considering y = -2
Then, we have to substitute the value of y = -2 in the equation.
-2 (-2) - 8x = 6
4 - 8x = 6
-2 = 8x
x = -0.25
So, when the value of y = -2 then the value of x is -0.25
The slope of the line in the provided equation represents the cost of each music lesson, while the y-intercept represents the registration fee. These two components are used to calculate the total cost of taking 'x' number of music lessons. Examples of four points on this line include: (0,30), (1,70), (2,110) and (3,150).
In the equation y = 40x + 30, 'y' represents the total cost of music lessons, 'x' represents the number of lessons, 40 is the slope, and 30 is the y-intercept.
The slope, 40, means that each music lesson costs $40. This is a constant rate and doesn't change no matter how many lessons a student takes.
The y-intercept, 30, represents the registration fee that is charged in addition to the cost per lesson. This is a one-time fee that's added to the total cost of the lessons.
For example, four points on the line could be (0,30) when no classes are taken, (1,70) for one class, (2,110) for two classes, and (3,150) for three classes.
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B) 3 steps per second
C) 30 steps per minute
D) 30 steps per second