Additional Mathematics Summary

Question 1

Cos 2A = 2Sin2A - 1

Accepted Answer

False

Question 2

Radius of a circle is given by\sqrt{f^{2^{ }}+g^2}+c

Accepted Answer

False

Question 3

Sum of the roots is equal to \frac{b}{a}

Accepted Answer

False

Question 4

_{\log_aa} =

Accepted Answer

1

Question 5

\int_{ }^{ }Cosx.dx

Accepted Answer

sin x

Question 6

Cos θ is positive in the

Accepted Answer

1st Quadrant, 4th Quadrant

Question 7

Sin θ is positive in the

Accepted Answer

2nd Quadrant, 1st Quadrant

Question 8

Product of the roots is equal to \frac{c}{a}

Accepted Answer

True

Question 9

If \frac{dy}{dx} is equal to zero then

Accepted Answer

Stationary point occurs

Question 10

True or False: The discriminant D = b² - 4ac helps determine the nature of roots.

Accepted Answer

True

Question 11

\int_{ }^{ }a.dx

Accepted Answer

ax

Question 12

Tan θ is negative in the

Accepted Answer

4th Quadrant, 2nd Quadrant

Question 13

P(B/A) = \frac{P\left(A∩B\right)}{P\left(B\right)}

Accepted Answer

False

Question 14

Sin 2A = 2CosASinA

Accepted Answer

True

Question 15

_{\log_a1} =

Accepted Answer

0

Question 16

True or False: The sum of probabilities in a sample space equals one.

Accepted Answer

True

Question 17

True or False: A unit vector has a magnitude of zero.

Accepted Answer

False

Question 18

When f(x) is divided by (x + a) then the remainder is

Accepted Answer

f(-a)

Question 19

\int_{ }^{ }ax.dx

Accepted Answer

\frac{ax^2}{2}

Question 20

P(A ∩B) = P(A).P(B) implies that A and B are Independent

Accepted Answer

True

Question 21

Sum to infinity = \frac{a}{1-r}

Accepted Answer

True

Questions 21