Question 1

Given a quadratic equation of the form $ax^2 + bx + c = 0$, which of the following statements is false?

Accepted Answer

a may be equal to zero.

Answer

a,b and c are real numbers

Answer

b may be equal to zero

Answer

c may be equal to zero

Question 2

2.	Which of the following is a quadratic equation?

Accepted Answer

$7m^2 – 3m + 4 = 0$

Answer

$10x^2 – 10<2x$

Answer

5y + 8 = 3

Answer

$3s + 8s^2 – 6$

Question 3

3.	With respect to the given angle, what is the ratio of the hypotenuse to the opposite side?

Accepted Answer

cosecant

Answer

sine

Answer

cosine

Answer

tangent

Question 4

4. The volume $v$ of a cylinder varies jointly as its height $h$  and the square of its radius $r$. What will be the equation of the variation if k is the constant of variation?

Accepted Answer

$v = khr^2$

Answer

$h =  \frac{k}{vr^2}$

Answer

$v =  \frac{k}{hr^2}$

Answer

$h = kvr^2$

Question 5

5.	How many congruent triangles are formed when a diagonal of parallelogram is drawn?

Accepted Answer

2

Answer

3

Answer

1

Answer

4

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