Roots stems finite solution
Answer:
The trestle meets ground level at 0.875 units and 9.125 units
Step-by-step explanation:
Poorly formatted question.
The given equation is:
Required
The point where the trestle gets to the ground level
To do this, we set
So, we have:
Multiply through by -1
Solve using quadratic formula:
Where:
So, we have:
Solve the fraction
Split
Answer:B
Step-by-step explanation: x is less than 1 so it is a open circle on the graph and x is greater than or equal to -1 so it is a closed circle on -1, B has both of these so B is the answer
3 more canisters explanation: 40/4=10, 28/4=7, 10-7=3 more canisters