turkey-yks 2011 Q5

turkey-yks · Other · lys1-math Solving quadratics and applications Evaluating an algebraic expression given a constraint

Given that $x - 2 y = 3$, what is the value of
$$x ^ { 2 } + 4 y ^ { 2 } - 4 x y - 2 y + x - 3$$
?
A) 4
B) 5
C) 8
D) 9
E) 15

Given that $x - 2 y = 3$, what is the value of

$$x ^ { 2 } + 4 y ^ { 2 } - 4 x y - 2 y + x - 3$$

?\\
A) 4\\
B) 5\\
C) 8\\
D) 9\\
E) 15