Question

CH-3 Coordinate Geometry 1. The zero of the polynomial (-2)(2+2)²18 2.0 c 1 2. If x-1 if the factor of ptxl-³-23rkz-120, then the value of leis 120 b: 124 € 142 a 140 3 1²+k-3-(x-3)(x-1), then the value of it is b2 4. A symbol having a fixed value is called a a coefficient b. none of these e constant d variable 5. If 10-4²-3, then the value of p(0) + p(1) is € 3 d 1 6. Fill in the blanks The positive abscisa lies in quadrants 7.1 in the blanks The y coordinate is also called the & in which quadrant or on which axis each of the points (-2.4), (3,-1), (-1,0), (1.2) and 63.-)se? Verify your answer by locating them on the Cartesian plane. 9. Take a quadrilateral ABCD (AH-5,-4) (8) (-3,21 (051-3, 3) and (D)(-3, 4) find its mirror image with respect to y-axis. 10. Name the quadrant in which the point lies :) AC1, 1) (i) (-2,-) () C(1,-2).​

Answer 1

Answer:

x

2

−2

2

x=0⇒ax

2

+bx+c⇒a=1b=−2

2

x(x−2

2

)=0

x=0,2

2

∴∝=0,β=2

2

∝+β=

a

−b

=

1

−(−2

2

)

=2

2

∝×β=

a

c

=

1

0

=0

0+2

2

=2

2

(−2

2

×0)=0

L.H.S=R.H.S L.H.S=R.H.S

Step-by-step explanation:

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