1. Which of the following polynomial is a quadratic polynomial:
(1) x2-7x+2 (ii) 7x-x(x+2) (iii) 2x (x+5)+1 (iv) 2x-1
2. Which of the following equations can be written in the form of ax+bx+c 0, wherea,
3. Let us determine the power of the variable for which the equation x x'2-0 will become
a quadratic equation?
4. (Let us determine the value of'a' for which the equation (a 2)x²+3x+5 =0 will not be
a quadratic equation.
(i) If
-1
4x 3* (x+0,x+4) be expressed in the form of ax'+bx+c = 0 (a # (), then
let us determine the co-efficient ofx.
care real numbers and a 0, let us write it.
1-
3
X
(i) Let us express 3x2+7x+23=(x+4)(x+3)+2 in the form of the quadratic equation
ax2+bx+c=0(a=0)
(1) Let us express the equation (x+2) == x(x2-1) in the form of axl+bx+c 0(a) and
write the co-efficients of x',x and xº.
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