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20-1 Ch. 7 (EN) Les fonctions valeur absolue et inverse

Total questions: 24

Worksheet time: 31mins

Name
Class
Date
1.

What is the vertical asymptote of the following function?

a)

x = -2

b)

x = 2

c)

y = 0

d)

none

2.

What is this function called?

a)

fonction valeur absolue

b)

fonction inverse

3.

Which is the graph of the rational equation: y=1x+2y=\frac{1}{-x+2}

a)
b)
c)
d)
4.

What are the equations of the asymptotes?

a)

x= -1& y = -3

b)

x= 1& y = -3

c)

x= -1& y =3

d)

x= 1& y=3

5.

The given graphed function would have a horizontal asymptote at

a)

x = 0

b)

y = 0

c)

x = 2

d)

y = 2

6.

What is the horizontal asymptote of the function?

a)

x =1

b)

x = -2

c)

x = 2

d)

y = 0

7.

What is the VERTICAL asymptote of this function? (click on the graph to enlarge)

a)

x=1

b)

x=-3

c)

y=1

d)

y= -3

8.

À partir des asymptotes, quelle est l'équation de cette fonction inverse?

a)

f(x)=1x2f\left(x\right)=\frac{1}{x-2}

b)

f(x)=1x+2f\left(x\right)=\frac{1}{x+2}

c)

f(x)=1x+2f\left(x\right)=\frac{1}{x}+2

d)

f(x)=1x2f\left(x\right)=\frac{1}{x}-2

9.

Choose the correct equation for the graph.

a)

 y=x+2y=\left|x+2\right|

b)

y=x2y=\left|x-2\right|

c)

y=x+2y=\left|x\right|+2

d)

y=x2y=\left|x\right|-2

10.

102x=4\left|10-2x\right|=-4  

a)

x=3 or x = 7x=3\ or\ x\ =\ 7  

b)

No Solution

c)

x=3 or x =7x=-3\ or\ x\ =7  

d)

x = 7 or x = 3x\ =\ -7\ or\ x\ =\ 3  

11.

|x - 6|= 14

a)

x = 8

b)

x = 20

c)

x = -8 or x = 20

d)

No Solution

12.

Solve for x: -4|x + 5| + 2 = -126

a)

x = 26 or x = -36

b)

x = 27 or x = -37

c)

x = 123 or x = -133

d)

No Solution

13.
l - 4 l  + l -1 l
a)
5
b)
3
c)
4
d)
-5
14.
∣-61∣ ____ ∣5∣
a)
<
b)
>
c)
=
15.
∣-5∣ _____ ∣5∣
a)
<
b)
>
c)
=
16.
-13 < -22
a)
True
b)
False
17.
Evaluate.
| 15 - 5 | =
a)
20
b)
10
c)
-20
d)
-10
18.
Evaluate.
| -56| - 10 =
a)
66
b)
36
c)
26
d)
46
19.
Evaluate.
| -13| + | 24| =
a)
12
b)
-37
c)
37
d)
10
20.

What is the definition of absolute value?

a)

The distance a number is to zero

b)

A positive number

c)

A number that has a value with a different sign

d)

A number walking through a metal detector

21.
What type of function is shown?
a)

fonction inverse

b)

fonction valeur absolue

22.
a)

fonction inverse

b)

fonction valeur absolue

23.
a)

fonction inverse

b)

fonction valeur absolue

24.
a)

fonction inverse

b)

fonction valeur absolue