June 21, 2017 Exam

Question 1

Answer 1

Question 2

Answer 2

Question 3

Answer 3

Question 4

Answer 4

Question 5

Answer 5

Question 6

Answer 6

Question 7

Answer 7

Question 8

Answer 8

Answer 9

Question 10

What is the domain of any tanx equations like y = 2tan + 5?

Answer 10

D:{0ER, θ ≠ ((2k + 1)/2) π, KEI}

Question 11

What is the range of any tanx equations like y = 2tan + 5?

Answer 11

R:{yER}

Question 12

When tanΘ is ±√1/8, how many solutions are there given the restriction,

Answer 12

4

Question 13

iN TERMS OF COS, RANK THE FOLLOWING FROM BIGGEST TO SMALLEST

√2/2

0

1

1/2

√3/2

Answer 13

1

√3/2

√2/2

1/2

0

Question 14

What does it mean if a number is irrational?

Answer 14

The number is not a perfect square or the number repeats over and over

Question 15

What does it mean if a number is rational?

Answer 15

The number is a perfect square or the number does not repeat over and over

Question 16

CIRCLE formula for area

Answer 16

Question 17

CIRCLE formula for circumference

Answer 17

Question 18

Quadratic formula

Answer 18

Question 19

What letter is the axis of symmetry (In terms of making an equation with transformation)?

Answer 19

Axis of symmetry is x so c or h

Question 20

What letter is the “stretched by a factor” (In terms of making an equation with transformation)?

Answer 20

Horizontally is the b

Vertically is the a

Question 21

What letter is the maximum (In terms of making an equation with transformation)?

Answer 21

Talking about vertical language so not x

D or k

Question 22

What letter is the minimum (In terms of making an equation with transformation)?

Answer 22

Talking about vertical language so not x

D or k

Question 23

Vertex formula 3

Answer 23

Or

Or

Question 24

Without a calculator, explain the difference between the equation and expression below.

cosΘ = 0

and

cos0°

cosΘ = 0

Answer 24

We need to solve for the angle

=================

Θ = 90° and 270°

cos0°

We have to solve for cos of 0°

We need to solve the x coordinate of the angle

======================

Question 25

Discriminant of Formula?

Answer 25

Question 26

Which of the following statement is false?

The unit circle has:

a) Centre (0,0)
b) Diameter of π/2
c) Radius of 1
d) Circumference, around a circle is 2π

Answer 26

b) Diameter of π/2

Question 27

If you were given angle, let’s say 53°, how do you find another angle, let’s say with the same cos value?

Answer 27

You use Add Sugar To Coffee or All Snow Taste Cold and find you other values.

Question 28

Cosine formula for getting the lengths or angles?

Answer 28

Question 29

Sine formula for getting the lengths or angles?

Answer 29