PLEASE HELP ME I DONT GET THIS..
2 answers:
- Hi so it's ask for area of circle an you know that formula for area of circle is πr2 r (radius)
- What is π? We have two formula π which is 22/7 or 3.142.So for this question i will use 22/7.
- If you look at question 2,4 and 6 you can see the diameter which line straight to the circumference. That's call diameter. But in the formula it want r which mean radius. So the diameter÷2
Hopes this help
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The given expression :
For coordinates:
put x = 0 then :
Coordinate : (x, y) = (0, 1)
Put x= 1 and simplify :
Coordinate : (x, y) = ( 1, 0.5)
Put x = (-2) and simplify :
Coordinate : (x, y) = ( -2, 4)
Put x = (-3) and simplify :
Coordinate : (x, y) = (-3, 8)
Substitute x = (-1) and simplify :
Coordinate : (x, y) = ( -1, 2)
So, the coordinates are :
The graph is :
