(-2 = √x - 7)x² (calculate)
(-9 = √x)x² (remove the parantheses)
-9x² + √x x²
1. Length is 14 cm
2. Length is 20.4 cm
3. Not completely sure about 3
(Sorry hope this helps)
It means that the two line segments, EF and GH, are A, parallel.
The symbol between the segments (ll) is of two parallel lines, so it's stating that the segments are parallel.
Every point on the line 3/7x -1 is a solution
Unless there is another line provided...
