Question

I.CHOOSE THE CORRECT ANSWER:

1. Graph of linear equation is a…..

a) Straight line
b) Circle
c) Parabola
d) Hyperbola

2 .Which of the following should be added to make
⁴+64 a perfect square

a) 4
²

b) 16
²

c)8x²

d) -8
²

3 .The solution of (2x-1)2 =9 is equal to……………
a) -1
b)2
c)-1,2
d) None of these

4. The values of a and b if 4
⁴

-24
³+76
²+ax+b is a perfect square are

a) 100, 120
b) 10, 12
c) -120, 100
d) 12, 10

5 .The area of triangle formed by the points (-5,0), (0,-5) and (5,0) is

a) 0 sq.units
b) 25 sq.units
c) 5 Sq.units
d) None of these

6. If (5,7),(3,p) and (6,6) are collinear, then the value of p is………. …
a) 3
b) 6
c) 9
d) 12

7.A(0,5) ,B(5,0) and C(-4,-7) are vertices of a triangle then its centroid will be at.

A) (−1/
3
,
−2/
3
)
B) (-1,-2)
C) ( 1/
3,
2/
3)
D) ( 1
/3
,−2
/3
)
​

Answer 1

Answer:

1. option a
2. option c
3. option b
4. option c
5. option d
6. option c

sorry I can't understand your last question I am sorry

Step-by-step explanation:

please follow me please please and mark brainaiest answer please please please

Answer 2

Step-by-step explanation:

1. straight line

2. 16

3. 2

4. 12,10

5. 25squnit

6. 12

7. a