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- Multiple ChoicePlease save your changes before editing any questions.
If R = {Sara, Dylan, Sasha, Martina} and S = {Chris, Dylan, Sean, Michael, Martina}, then R ⋂ S is...

{Chris, Michael}

{Dylan}

{Sara, Dylan, Sasha, Martina, Chris, Sean, Michael}

{Dylan, Martina}

- Multiple ChoicePlease save your changes before editing any questions.
What statement does the shaded region represent?

A ∩ B ∩ C

A ∪ B ∩ C

B ∩ C

A ∪ C

- Multiple ChoicePlease save your changes before editing any questions.If the sinθ=7/12, what is cosθ?12√95/9512/9512/√95√95/12
- Multiple ChoicePlease save your changes before editing any questions.
Given that $\cos\theta\ =\ -0.6428\ ,\ 0^o\le\theta\le360^o$ .

the value of $\theta$ is ....$50^o$

$130^o$

$310^o$

$230^o$

- Multiple ChoicePlease save your changes before editing any questions.The Pythagorean Theorem is

c^{2}= a^{2}- b^{2 }falsetrue - Multiple ChoicePlease save your changes before editing any questions.
$-640^{\degree}$ lies in which quardrant?

I

II

III

IV

- Multiple ChoicePlease save your changes before editing any questions.
$\frac{5\pi}{12}$ lies in which qurdrant?

I

II

III

IV

- Multiple ChoicePlease save your changes before editing any questions.
What is sin 30

^{o}1/2

1/6

1/3

1/5

- Multiple ChoicePlease save your changes before editing any questions.
In a group 15 people 8 speak Spanish and 10 speaks French language. How many speak both?

3

2

7

8

- Multiple ChoicePlease save your changes before editing any questions.You can multiply a 2X3 matrix by which matrix?2X22X123X122X3
- Multiple ChoicePlease save your changes before editing any questions.How many columns are in a 5 x 4 matrix?54209
- Multiple ChoicePlease save your changes before editing any questions.What must be true in order to ADD two matrices?They must be square.The dimensions must be equal.The determinant can't equal 0.The column of the 1st must equal the row of the 2nd.
- Multiple ChoicePlease save your changes before editing any questions.Name the order of this matrix.3x11x331
- Multiple ChoicePlease save your changes before editing any questions.
Find the determinant of the following matrix.

-32

32

48

-48

- Multiple ChoicePlease save your changes before editing any questions.Calculate the determinant13-3-513
- Multiple ChoicePlease save your changes before editing any questions.
If A is a singular matrix then the value of $\left|A\right|$ is

0

non zero integer

non zero real number

undetermined

- Multiple ChoicePlease save your changes before editing any questions.
Which of the following is correct

determinants is a square matrix

determinants is a number associated to a matrix

determinants is a number associated to a square matrix

none of these

- Multiple ChoicePlease save your changes before editing any questions.
x

^{2}- 3x + 7 is a:Linear Polynomial

Quadratic polynomial

Both

None of these

- Multiple ChoicePlease save your changes before editing any questions.What is the order(dimension) of this matrix?6 x 43 x 22 x 3Rectangular
- Multiple ChoicePlease save your changes before editing any questions.
What is the value of element a

_{34}?2

-3

6

1