book Maths Puzzle Numerical Ability

algebraic expression bx^2-cx+a^2=0. Where a, b, and c are caonstants, and x is the unknown. They differ by the sing of the squareroot. Enter the won with teh plus sign.

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book Other Question

sqrt18 + sqrt3 graph each eguation and plot's intercepts



(1) 2x=4

(2) -x+9=-y

(3) x-2=0

(4) x-2=0

(5) y-6=0

(7)y=2x+3

(8)y=-2x+7

(9)3x-2y=12

(10)