Drag the pairs of equations to the correct set.
\(y=x^24\\y=2x^2+4\)
\(y=x^23\\x=5\)
\(y=x^2\\x=\sqrt{y}\)
\(y=2^x\\y+2^x=0\)
\(y+7x=8\\y=3^x 1\)
\(y= \sin x\\y=\cos x\)
\(x^2 + y^2 = 5\\x^2 + y^2 = 10\)
\(y=x^3x^2+3\\y+x=0\)
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Level 1  Pairs of linear equations in the standard format
Level 2  Pairs of linear equations in varied formats
Level 3  All kinds of equations in a wide variety of formats
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