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8th Math - Unit 4 (Part II)
Test Description: Unit 4!
Instructions: Answer all questions to get your test result.
1) y = x + 4
A
(7, 10)
B
(2, -2)
C
(2, 6)
D
(7, 3)
2) y = 3x
A
(4, -12)
B
(-4, 12)
C
(1, 0)
D
(0, 1)
3) y = x - 9
A
(1, 10)
B
(-5, -4)
C
(5, 4)
D
(10, 1)
4) y = x/2
A
(3, 2)
B
(2, 1)
C
(1, 2)
D
(2, 3)
5) y = x + 5
A
(22, 17)
B
(20, 16)
C
(16, 20)
D
(17, 22)
6) y = x - 6
A
(-2, 8)
B
(8, -2)
C
(-10, -4)
D
(-4, -10)
7) y = 2x + 5
A
(-3, 1)
B
(0, 5)
C
(1, -3)
D
(5, 0)
8) y = 3x - 1
A
(-2, 5)
B
(5, -2)
C
(-28, -9)
D
(-9, -28)
9) X-coordinates can also be called:
A
###
B
####
C
outputs
D
inputs
10) The y-value is also known as:
A
the independent vairable
B
####
C
###
D
the dependent variable
11) If your pencil touches two or more points during the Vertical Line Test:
A
###
B
it is NOT a function
C
it is a function
D
####
12) If your pencil only touches one point during the Vertical Line Test:
A
it is a function
B
###
C
it is NOT a function
D
####
13) (0, 1) (1, 0) (-2, -4) (-4, -2)
A
NO... it is NOT a function
B
YES... it is a function
C
###
D
####
14) (7, -6) (-5, -100) (-3, 97) (7, 6)
A
NO... it is NOT a function
B
YES... it is a function
C
###
D
####
*select an answer for all questions
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