Area of sector = 120π unit²
Answer:
c. x = 0
Step-by-step explanation:
2(x-3)+9=3(x+1)+x
⇔
2x - 6 + 9 = 3x + 3 + x
⇔
2x + 3 = 4x + 3
⇔
2x = 4x
⇔
4x - 2x = 0
⇔
2x = 0
⇔
x = 0
Answer:
-8.
Step-by-step explanation:
-7x - 1 = -9x - 17
-7x - (-9x) = -17 - (-1)
-7x + 9x = -17 + 1
2x = -16
x = -8.
Answer: A.) It is a linear function because there is a constant rate of change in both the input and output values.
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Explanation:
Note how x is decreasing by 3 each time
- -2-3 = -5
- -5-3 = -8
- -8-3 = -11
At the same time, y is also decreasing by 3 each time
This means we have a linear function. We have,
slope = (change in y)/(change in x)
slope = (-3)/(-3)
slope = 1
Recall that slope is another term for rate of change, so a constant slope means we have a constant rate of change.
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Another way to find the slope is to pick any two points from the table and use the slope formula
m = (y2 - y1)/(x2 - x1)
You should find that any two points you pick will lead to a slope of 1. I recommend you try out all possible pairs to help convince yourself the slope is 1.