if \( A=[a v]_{2 \times 2} \) and \( a i j=\left\{\begin{array}{l}{\left[\frac{j-1}{2}\right] \quad i<j} \\ 2 \quad i=j \\ {\left[\frac{j+i}{2}\right] \quad i>j}\end{array}\right] \) what is the sum of the fields of matris A) \( 4 \times 2^{15} \) B) \( 4 \times 2^{30} \) C) \( 19 \times 2^{14} \) D) \( 15 \times 2^{14} \)

d) \( \frac{3}{4} y+\frac{1}{2}(y-3)<\frac{y+1}{4} \)

COLEGIO DE SAN SEBASTIAN, INC. Buenavista, Sablayan, Occidental Mindoro Junior High School Department Worskheet I Mathematics 9 Name: Grade and Section: \( \qquad \) Date: \( \qquad \) Score: \( \qquad \) /60 I. Direction: Solve each equation with the quadratic formula. (60pts) 1. \( 2 x^{2}-3 x-15=5 \) 4. \( 2 k^{2}+9 k=-7 \) 2. \( 2 x^{2}-36=x \) 5. \( 9 n^{2}=4+7 n \) 3. \( 5 x^{2}+9 x=-4 \) 6. \( 2 x^{2}-36=x \)

olduğuna göre, \( x \) değerini bulunı \[ 4 x^{2}+x-5 \]

Chemistry Physics Biology Mathematics 4 If \( (2 \boldsymbol{x}-5)(\boldsymbol{x}+3)=0 \), what are the possible values of \( x \) ? \( 05 / 2 \) and -3 \( 0-5 / 2 \) and 3 05 and -3 None of the above

1. \( 2 x^{2}-3 x-15=5 \)