Suppose
Suppose you know that the length of a line segment is 15, x2=6, y2=14, and x1= -3. Find the possible value of y1. Is there more than one possible answer? Why or why not?
Correct answer:
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Matematik
we make circle k with centre S(x2,y2) and radius r = 15 . Then we make vertical line x= -3 . It make two intersections with circle k thus solutions are two: y11,y12.
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You need to know the following knowledge to solve this word math problem:
- geometry
- analytic geometry
- line
- algebra
- quadratic equation
- equation
- arithmetic
- square root
- square (second power, quadratic)
- absolute value
- planimetrics
- Pythagorean theorem
- circle
- square
Units of physical quantities:
Grade of the word problem:
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