Free Printable Week 2

1.

Simplify $2a+3b-a+5b$

a)

$5a+8b$

b)

$a-2b$

c)

$a+8b$

d)

$3a+8b$

2.

Simplify $4a\ \times\ 2a$

a)

$6a$

b)

$8a$

c)

$8a^2$

d)

$6a^2$

3.

Simplify $3m\ +\ 5m$

a)

$8m$

b)

$8m^2$

c)

$15m$

d)

$15m^2$

4.

$5g+3h-2g-h$

a)

$3g-4h$

b)

$3g+4h$

c)

$3g-3h$

d)

$3g+2h$

5.

Simplify $\frac{2a+3a}{a}$

a)

$5a$

b)

$5$

c)

$\frac{5a}{a}$

d)

$5a^2$

6.

What is the coefficient of the $x$ term?

$-3x+2y+5$

(a)

7.

How many terms are there?

$2a+3b-6$

(a)

8.

If $a=1,\ b=2\ and\ c=-2$ calculate the value of $abc$

a)

-4

b)

$4$

c)

$22$

d)

$-22$

9.

If $a=-2,\ b=3$ calculate the value of $2a+3b$

a)

$5$

b)

$4$

c)

$11$

d)

$10$

10.

What is the expression that represents

"The sum of b and 4"

a)

$4b$

b)

$b+4$

c)

$b^4$

11.

What is the expression that represents

"5 is added to y and then the result is doubled"

a)

$y+5\times2$

b)

$2\left(y+5\right)$

c)

$\left(y+5\right)2$

d)

$\left(y+5\right)\times2$

12.

Simplify $3xy^3+\frac{x^2y^5}{xy^2}$

a)

$4xy^3$

b)

$3x^2y^6$

c)

$3x^2y^3$

d)

$4x^2y^3$

13.

Simplify $a^2+3a$

a)

$a^2+3a$

b)

$4a^3$

c)

$3a^3$

d)

$2a^2$

14.

Simplify $a^2\times3a$

a)

This can't be simplified

b)

$4a^3$

c)

$3a^3$

d)

$2a^2$

15.

The number in front of a variable is called a (a)

16.

Simplify $3\times2b\times3b$

a)

This expression can't be simplified

b)

$18b^2$

c)

$6b^2$

d)

$2b^3$

17.

Simplify $4\times b\times3d$

a)

This expression can't be simplified

b)

$12b^2$

c)

$12bd$

d)

$12b^3$

18.

Simplify $\frac{2x^2y^3}{4x^2y}$

a)

$2xy^2$

b)

$2xy$

c)

$\frac{y^2}{2}$

d)

$\frac{1}{2}y$

19.

Find the derivative of the given equation
f(x) = 1 - x²

a)

1 - 2x

b)

-2x

c)

-2

d)

-1

20.

If the position function for a particle is s(t) = -t² - t, what is the instantaneous velocity function for the particle?

a)

v(t) = -2

b)

v(t) -2t - 1

c)

v(t) = t³

d)

v(t) = -t

21.

4

a)

A

b)

B

c)

C

d)

D

22.

What is the derivative of cos(x)?

a)

sin(x)

b)

-sin(x)

c)

cos(x)

d)

-cos(x)

23.

Derivative means the same thing as

a)

slope of the tangent line

b)

slope of the normal line

c)

exponent

d)

potato

24.

Choose the best rule to derive the function.

a)

Product rule

b)

Quotient rule

c)

Power rule

d)

Chain rule

25.

The derivative of sin(2x)

a)

2cos(x)

b)

2sin(2x)

c)

2cos(2x)

d)

2xcos(2x)

26.

What is the derivative of y = 2π?

a)

0

b)

2

c)

-2

d)

None of the above

27.

$\frac{d}{dx}\left(e^{\cos x}\right)\ is$

a)

$e^{-\sin x}$

b)

$\left(-\sin x\right)\ e^{\cos x}$

c)

$\left(\cos x\right)e^{-\sin x}$

d)

$\left(\sin x\right)e^{\sin x}$

28.

Integrate $\int_{ }^{ }3\ dx$

a)

= 0

b)

$=\frac{3}{x}+c$

c)

$=\ 3x\ +c$

d)

$=4+c$

29.

Integrate $\int_{ }^{ }x^6dx$

a)

$=6x^5+c$

b)

$=\frac{x^7}{7}+c$

c)

$=6x^6+c$

d)

$=\frac{x^5}{6}+c$

30.

$\int_{ }^{ }e^{5x}dx\ =$

a)

$e^{5x}+c$

b)

$5e^{5x}+c$

c)

$\frac{1}{5}e^{5x}+c$

d)

none of these

31.

∫ 1/x dx

a)

ln x

b)

ln x + C

c)

-1/x²

d)

-1/x² + C

32.

∫cosx dx =

a)

-secx + C

b)

secx + C

c)

sinx + C

d)

-sinx + C

33.

∫sinx dx =

a)

-cscx + C

b)

cscx + C

c)

cosx + C

d)

-cosx + C

34.

To find the area of the shaded region I need to:

a)

Find the derivative of the function y

b)

Find the gradient of the tangent line for the function y

c)

Integrate the function y from 1 to 2

d)

Find the turning point between 1 and 2

35.

A signal is another name for

a)

A short circuit

b)

A mathematical function

c)

A voice message

d)

A magnetic field

36.

This is an example of a ................ signal

a)

quadratic

b)

linear

c)

discrete

d)

continuous

37.

This is an example of a ................ signal

a)

quadratic

b)

linear

c)

discrete

d)

continuous

38.

Discrete-time signals are often illustrated graphically using ............ plots

a)

Stem

b)

Linear

c)

Scatter

d)

Histograms

39.

We use Digital Signal Processing, DSP, to

a)

A) manipulate signals

b)

B) enhance images

c)

C) attempt voice recognition

d)

D) add a filter for Instagram

e)

E) all options from A-D

40.

If a signal has finite Energy, its Power is zero.

a)

True

b)

False

41.

Periodic Signals have infinite energy.

a)

True

b)

False

42.

Type the expression in factored form of $x^2+2x-8$ .

43.

Type the equation slope in standard form of the line that passes through the point (3,0) and is parallel to the line represented by 2x+y=7.

Week 2_S&S

Total questions: 43

Worksheet time: 27mins

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