Someone check my answers please
1 answer:
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Answer:
Step-by-step explanation:
We want to solve for in
We expand to get:
We group similar terms to get:
This simplifies to
Divide both sides by 7.8 to get
9514 1404 393
Answer:
see attached
Step-by-step explanation:
a) A system of equations has no solutions when the graphs of those equations do not intersect. If the equations are equations of a line, then the lines must be parallel in order for them not to intersect.
Any parallel line will do.
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b) There is one solution when the graphs intersect in exactly one point.
Any line that crosses the one shown will do.
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c) There are infinite solutions when the graphs describe the same curve.
A line overlapping the one shown is the one you want.
