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Set-III
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Q32 of 40 Page 1

Solve graphically:

2x – 3y + 13 = 0; 3x – 2y + 12 = 0


Let’s find two solutions for each equation

For equation 3x – 2y + 12 = 0



For equation 2x – 3y + 13 = 0



From graph, solution is (-2, 3)



More from this chapter

All 40 →
30

Draw a line segment of length 7 cm and divide it in the ratio2 : 3.

OR


Draw a circle of radius 4 cm and construct the pair of tangents to the circle from an external point, which is at a distance of 7 cm from its centre.


31

In a classroom, 4 friends are seated at the points A, B, c and D as shown in Fig. 2. Champa and Chameli walk into the class and after observing for a few minutes Champa asks Chameli, “Don’t you think ABCD is a square?” Chameli disagrees. Using distance formula, find which of them is correct.


33

A horse is tethered to one corner of a rectangular field of dimensions 70 m × 52 m, by rope of length 21 m. How much area of the field can it graze?

34

Find the quadratic polynomial, the sum and product of whose zeroes are –3 and 2 respectively. Hence find the zeroes.

Questions · 40
Set-III
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