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Test: IF U BELIEVE IN YOURSELF, THEN TRY TRY & TRY TILL U SUCCEED.....

Category: Math

Description: It's a maths test, which u can solve but need practise.

Keywords:

The period of 2 sin x cos x is

4 pi sq. 2 pi 4 pi pi

The mean of a data set is equal to 10 and its standard deviation is equal to 1. If we add 5 to each data value, then the mean and standard deviation become

mean = 15 , standard deviation = 6 mean = 10 , standard deviation = 6 mean = 15 , standard deviation = 1 mean = 10 , standard deviation = 1

A school committee consists of 2 teachers and 4 students. The number of different committees that can be formed from 5 teachers and 10 students is

1000 1500 2100 8000

The three solutions of the equation f(x) = 0 are -2, 0, and 3. Therefore, the three solutions of the equation f(x - 2) = 0 are

- 4, -2, and 1 -2, 0 and 3 4, 2, and 5 0, 2 and 5

Is x = 15 , if: x+3x/2=5(x-3)/3

True False

If f(x) is an odd function, then | f(x) | is = an even function

True False

If Log x (1 / 8) = - 3 / 2, then x is equal to

-4 4 1/4 10

Calculate the area of a triangle whose sides are 13 cm, 5 cm and 12 cm.

32 cm sq. 900 cm sq. 30 cm sq. 15 cm sq.

The exam scores of all 500 students were recorded and it was determined that these scores were normally distributed. If Jane's score is 0.8 standard deviation above the mean, then how many, to the nearest unit, students scored above Jane?

394 250 400 106

If Log 4 (x) = 12, then log 2 (x / 4) is equal to

11 48 -12 22

The probability that an electronic device produced by a company does not function properly is equal to 0.1. If 10 devices are bought, then the probability, to the nearest thousandth, that 7 devices function properly is

0.057 0.478 0.001 0

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