A person at the top of a lighthouse sights a boat in the water. The angle of depression is 50. If the lighthouse is 70 feet high
1 answer:
You might be interested in
Answer:
see below
Step-by-step explanation:
2x^2 -2x-12 = 0
Factor out 2
2(x^2 - x -6) = 0
Factor inside the parentheses
2( x-3)(x-2)=0
Using the zero product property
x-3 =0 x-2=0
x=3 x=2
The graph crosses the x axis when x=3 and x=2
