SSLC (English Medium) Class 9 - Tamil Nadu Board of Secondary Education Question Bank Solutions for Mathematics

ABCD is a square, diagonals AC and BD meet at O. The number of pairs of congruent triangles with vertex O are

Factorise the following:

 27x³ – 8y³

Factorise the following:

a⁶ – 64

In the Figure, ABCD is a rectangle and EFGH is a parallelogram. Using the measurements given in the figure, what is the length d of the segment that is perpendicular to `bar("HE")` and `bar("FG")`?

In parallelogram ABCD of the accompanying diagram, line DP is drawn bisecting BC at N and meeting AB (extended) at P. From vertex C, line CQ is drawn bisecting side AD at M and meeting AB (extended) at Q. Lines DP and CQ meet at O. Show that the area of triangle QPO is `9/8` of the area of the parallelogram ABCD

Which of the following statement is correct? 

Factorise the following:

x³ + 8y³ + 6xy – 1

Factorise the following:

l³ – 8m³ – 27n³ – 18lmn

Factorise the following:

x² + 10x + 24

Factorise the following:

z² + 4z – 12

Factorise the following:

p² – 6p – 16

Factorise the following:

t² + 72 – 17t

Factorise the following:

y² – 16y – 80

Factorise the following:

a² + 10a – 600

Factorise the following:

2a² + 9a + 10

Factorise the following:

5x² – 29xy – 42y²

Factorise the following:

9 – 18x + 8x²

Factorise the following:

6x² + 16xy + 8y²

Factorise the following:

12x² + 36x²y + 27y²x²

Factorise the following:

(a + b)² + 9(a + b) + 18