It is recommended that a ramp have at least 8 feet of horizontal distance for every 1 foot of horizontal rise along an incline.
2 answers:
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Answer:
See below
Step-by-step explanation:
The solution choices all agree that x = 1±√2. The second equation tells you ...
y = ±2√(x+2)
so the sign of the √2 term in x is the same as the sign of the √2 term in y. The answer choices circled in red are the ones that meet this requirement.
