exam Maths Puzzle Numerical Ability

Solve the equation. x^2+2x-1=0

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exam Other Question

Write the equation of the line which passes through the point (2,1) and is parallel to the line with the equation y= 5/2x+6 Rewrite each equation as a function of x.
-3x+4y+11

McGraw Hill 6th edtion, chapter 7.5 exercise #18
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