Quadratic Equations and Partial Fractions

A test from chapter 4 and 5 i.e Quadratic Equations and Partial Fractions of Mathematics part 1. This is Free online test for FSc and Entry test Preparation for UET, NUST, FAST, GIKI, PIEAS, NFC, Punjab University, UHS, other Engineering Universities and Medical Colleges.

1. x=3 is a solution of the equation 3x^2+ (k-1)x+9=0 if k has value

A) 13
B) -13
C) 11
D) -11

2. The quadratic polynomial in x whose zeros are a, 2a is

A) (x+a)(x-2a)
B) (x-a)(x+2a)
C) (x+a)(x+2a)
D) (x-a)(x-2a)

3. The equaion x^2+2(k+2)x+9k=0 has equal roots, the value of k are

A) 1,4
B) -1,5
C) 1,5
D) -1,-5

4. A and B solved a quadratic equation. In solving it, A made a mistake in the constant term and obtained the roots are as 5,-3 while B made a mistake in the coefficient of x and obtained the roots as 1,-3. The correct roots of equation are

A) 1,3
B) -1,3
C) -1,3
D) 1,-1

5. (2x-5)/(x^2+4) is a

A) proper rational fraction
B) improper rational fraction
C) partial fraction
D) identity

6. w^28+w^29+1=

A) 0
B) w^2
C) -1
D) w

7. One root of x^2+px+q=0 is the additive inverse of the other if

A) p=1
B) q=1
C) p=0
D) q=0

8. x is greater then 3 by

A) x-3
B) x+3
C) 3-x
D) 3x

9. If ax^2+bx+c=0 has more than two roots then

A) a=b=c
B) a=b=c=0
C) a>b>c
D) not possible

10. f(x)=ax^2 +bx+c is a

A) binomial
B) trinomial
C) quadratic
D) polynomial