Answer:
9.8 km
Step-by-step explanation:
Answer:
1) -9
2) 10
3) -2
4) 9
Step-by-step explanation:
Answer:
768 square inches
Step-by-step explanation:
see attached
Answer:
Step-by-step explanation:
6+8=14
Complete the square:
<em>x</em> ^2 - 2<em>x</em> + <em>y</em> ^2 + 4<em>y</em> + 1 = 0
(<em>x</em> - 1)^2 + (<em>y</em> + 2)^2 + 1 = 1 + 4
(<em>x</em> - 1)^2 + (<em>y</em> + 2)^2 = 4 = 2^2
Hence the center is (1, -2) and the radius is 2. (D)
