3.1 Representing Relations

3.1 Representing Relations

Sunday, Oct. 11 /2020

Example 1

• Graph and Label the point A(3,5).

Example 2

• 
  

Multiple Choice

What letter is at (7, -6)?

• D
• L
• X
• There is no letter at those coordinates.

Multiple Choice

In which quadrant are both numbers negative?

• 1 (I)
• 2 (II)
• 3 (III)
• 4 (IV)

Multiple Choice

Ordered pair (0,0) is also known as the ___.

• y-axis
• x-axis
• origin

Multiple Choice

If you were to plot the point (4, -12) what would be the correct method?

• Up 4, left 12
• Right 4, up 12
• Down 4, left 12
• Right 4, down 12

Multiple Choice

Which letter matches the coordinate (0, -6)?

• O
• L
• i
• Z

Multiple Choice

Which letter matches the coordinate (4, -6)?

• G
• Z
• K
• None of the above

Multiple Choice

What is the range of the table?

• {-4, 0, 1, 3}
• {-2, 0, 2, 3}
• {-4, -2, 0, 1, 2, 3}
• { (0, 0), (2, -4), (3, 3), (-2, 1) }

Multiple Choice

What is the domain of the mapping?

• {2, 3, 8}
• { (-4, 3), (1, 8), (3, 2), (7, 3) }
• {-4, 1, 3, 7}
• {-4, 1, 2, 3, 7, 8}

Multiple Choice

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.

• D: {1, -3, -4,}

  R: {0, 1, 2, -4}

• D:{-4, 0, 1, 2}

  R:{-4, -3, 1}

• D:{0, 1, 2, 3, 4}

  R:{1, -3, -4}

Multiple Choice

Evaluate 3b - 5 if b = -2

• 1

• -11

• -1

• 27

Multiple Choice

Evaluate 6y - 13 if y = 4

• 51

• 11

• 37

Multiple Choice

Evaluate 3x - 7 if x = 6

• 9

• 11

• 29

• 25

Multiple Choice

Evaluate 5m + 7 if m = 5

• 12

• 25

• 32

Multiple Choice

Evaluate m² if m = 7

• 9

• 14

• 49

• 51

Multiple Choice

Evaluate m - n if m = 29 and n = 11

• 29

• 28

• 19

• 18

Multiple Choice

Evaluate y + 17 if y = 11

• 11

• 17

• 27

• 28

Multiple Choice

Evaluate 3d if d = 5

• 3

• 5

• 12

• 15

Multiple Choice

Evaluate the expression when
x =5    and   z = 4
z²  - 2x

• 6
• 2
• 17
• 26

Multiple Choice

3r + 2e; r = 3  e = 2

• 15
• 13
• 54
• 12