so this is the question.... x^2 +y^2=4 y=2x-5 how do i do this???? (show full steps please)
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Originally Posted by cheers so this is the question.... x^2 +y^2=4 y=2x-5 how do i do this???? (show full steps please) First this is not a linear system. It can be solved by substition This is a quadratic equation. Expand out the parenthesis and sput into standard form and solve. Post back if you get stuck.
Originally Posted by cheers so this is the question.... x^2 +y^2=4 y=2x-5 how do i do this???? (show full steps please) substitute for in the circle equation ... solve for x , then find y using the linear equation note you may get more than one solution for x
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