MAHARASHTRA

XII (12) HSC

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### Co ordinate geometry assignment

SET A
1. Find the slope of the line passing through the following points. A(3,4) and B(-2,-1).
2. If A(6,1), B(0,-5), C(-8,-3)and D(-2,3) are the vertices of ⇳ABCD, Show that it is a parallelogram.
3. The vertices of a triangle are P( 1, -1) , Q (-1, 1) and R (-3, -2). Find the slope of each side of ∆PQR.
4. Find the value of k, if the given points are collinear. A(4,11)  B(2,5)   C(6,k).
5. Find the value of k, if the slope of the line joining the points (2,10) and (k,4) is 3 / 4 .
Answers: (1) 1  (3) Slope of PQ = -1,   Slope of QR = 3/2,  Slope of PR = 1/4.   (4) k = 17   (5) k = - 6

SET B
1. Find the slope and y - intercept of the line: 2y=3x-6
2. Write the equation of the line if m = 2 and c = -5
3. Write the equation of the given line in slope-intercept form. 4x-3y+2=0.
4. If (10,5) is a point on the line 5x - 7y = c, find c.
5. If (-3,-2) is a point on the line 3y = mx-9, find m.
Answers: (1) Slope  = 3/2,   y-intercept = -3    (2) y = 2x-5    (3) y = 4x3 +2/3     (4)  c = 15   (5)  m = -1

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2019 Board Paper Solution

HSC ENGLISH SET A 2019 21st February, 2019

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SECRETARIAL PRACTICE (S.P) 2019 25th February, 2019

HSC XII PHYSICS 2019 25th February, 2019

CHEMISTRY XII HSC SOLUTION 27th, February, 2019

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HSC MATHS PAPER SOLUTION COMMERCE, 2nd March, 2019

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SSC ENGLISH STD 10 5TH MARCH, 2019.

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SSC Maths I March 2019 Solution 10th Standard11th, March, 2019

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