Higher Math 1st Paper MCQ-Jessore Board-2023

1. The coordinate of the centroid of the triangle is $(6,4)$.

What is the slope of the perpendicular line on $\mathrm{AB}$ ?

2. If $A(6,4)$ and $B(10,8)$ are two points $\qquad$

i. slope of $A B$ is 1

ii. equation of $A B$ is $x-y-2=0$

iii. the area of the square is 8 sq. unit considering $\mathrm{AB}$ as a side

Which one is correct?

3. For which value of $P$, the determinant $\left|\begin{array}{lll}1 & 2 & 3 \\ 1 & 2 & P \\ 3 & 5 & 0\end{array}\right|$ is zero?

4. $x^{2}+y^{2}+8 x-12 y+2=0$

What is the radius of the circle in unit?

5. The coordinate of the centroid of the triangle is $(6,4)$.

Which one is the coordiantes of the point C?