A line with an undefined slope would be vertical, meaning the x-coordinate will not change regardless of where the y-coordinate is.
Therefore, the equation would simply be x= -2
This is b/c x does not ever change (it is a vertical line)
while y could be any number on that line
Answer:
The diameter of a circle with the equation is 16.
Step-by-step explanation:
Given the equation
We know that the circle equation with radius 'r', centered at (a, b)
Here,
radius = r = 8
center = (4, -6)
Hence, the radius of the circle is: r = 8
we know that
diameter = 2r
= 2(8)
= 16
Therefore, the diameter of a circle with the equation is 16.
Answer:
Step-by-step explanation:
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Answer:
We conclude that the constant of proportionality between the number of shirts and how much they cost is:
k = 8
Hence, option 'D' is correct.
Step-by-step explanation:
We know that when 'y' varies directly with 'x', we get
y ∝ x
y = kx
k = y/x
where k is called the constant of proportionality
Given the points
For (10, 80)
substituting y = 80 and x = 10 in the equation
k = y/x
k = 80/10 = 8
For (20, 160)
k = y/x
k = 160/20 = 8
For (50, 400)
k = y/x
k = 400/50 = 8
It is clear that the value of k is the same for all the points.
Thus, the value of k = 8
Therefore, we conclude that the constant of proportionality between the number of shirts and how much they cost is:
k = 8
Hence, option 'D' is correct.
You multiply each side by 4 ->
4x 3.5 = 14in
4x 4.25 = 17in
