Question 1

It is a polynomial equation of degree two that can be written in the form $ax^2+bx+c=o$, where a, b, and c are real numbers and a≠0.

Accepted Answer

Quadratic equation

Answer

a.	Linear equation

Answer

Quadratic Inequality

Answer

b.	Linear Inequality

Question 2

Which of the following is a quadratic equation?

Accepted Answer

$s^2+5s-4=0$

Answer

b.	3t – 7 = 2

Answer

$2r^3+4r-1$

Answer

$2x^5-7x≥3$

Question 3

What are the values of a, b and c in the quadratic equation (x + 3) ( x – 4) =0

Accepted Answer

a=1       b=-1      c= -12

Answer

a.	a=3      b=-4      c=0

Answer

b.	a= -3    b=4       c=0

Answer

a=1       b=3       c= 12

Question 4

Solve the quadratic equation $y^2=64$.

Accepted Answer

a.	y = ±8

Answer

y =  - 32

Answer

b.	y = ±32

Answer

y =  - 8

Question 5

One of the factor in the quadratic equation $z^2-16=0$ is z-4, what is the other factor?

Accepted Answer

z+4

Answer

z+16

Answer

z-4

Answer

z-16

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