7. \( 2 x^{2}+5 x+3=0 \)

ii) \( \frac{3}{x+2}-\frac{2}{x}=\frac{x-4}{x^{2}+2 x} \)

Use the Rational Root Theorem to list all possible rational roots of the polynomial \( 2x^{3} - 6x^{2} + 3x - 9 \).

Which of the following is the value of the function \( f(x)=\left|4 x^{2}-8\right|+2 \) given \( \mathrm{x}=2 \) ? a. 8 b. 9 c. 10 d. 11 Evaluate the function \( h(x)=|x|-11 \) given \( x=3.5 \). a. -8 b. 8 c. -9 d. 9 Give the value of the of the function \( c(x)=3 x^{2}-36 \) at \( c(5) \). a. -21 b. 14 c. 111 d. 39

ii) \( x^{3}-2 x^{2}-(2 x-1)(x-2)=0 \)

Middle term of expansion \[ \left(3 x-\frac{x^{3}}{6}\right)^{9} \]