Second Degree Equations

Expand    $\left(x-5\right)^2$  

•  $x^2-25x+10$  

•  $x^2-10x+25$  

•  $25x^2-x+10$  

•  $10x^2-25x+5$  

 $In\ \ \ \ 2x^2-4x+6=0,\ b=......?$  

•  $6$  

•  $4$  

•  $-4$  

•  $-2$  

If the length of rectangle is 5cm morethan the breadth, If breadth is taken as x, form a second degree equation for area

• $x^2+5x$

• $x^2-5x$

• $5x^2-5$

• $5x^2+5$

Which of the following is not a second degree equation

• $x^2-4x$

• $x^2+8x+9$

• $x^2$

• $x^3-6x$

 $5\times\left(x-10\right)^2=500$  

Find the positive value of x from the above equation

• 10

• 100

• 15

• 20

 $x^2+2x=168$  

Find the negative value of x from the above equation

•  $-10$  

•  $-12$  

•  $-13$  

•  $-14$  

The product of a number and 2 morethan that is 8, generate the second degree equation

• $x^2+2x=8$

• $x^2+8x=2$

• $x^2-8x=2$

• $x^2-8x=-2$

 $p\left(x\right)=4x^2+24x+11,\ then\ find\ p\left(1\right)$  

• 38

• 39

•  $-38$  

• 28

Expand    $x^2-y^2$  

•  $\left(x+y\right)\left(x-y\right)$  

•  $\left(x+2y\right)\left(x-y\right)$  

•  $x^2-2xy+y^2$  

• None of these

What number should be added in the second degree equation $x^2+6x=40$  for completing square method

•  $8$  

•  $-8$  

•  $9$  

•  $6$