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6 - 7.4 Activity
Test Description: 7.4
Instructions: Answer all questions to get your test result.
1) Tell which ordered pair is a solution to the equation. y = x
A
(4,3)
B
(1,1)
C
(2,3)
D
(1,2)
2) Tell which ordered pair is a solution to the equation. y = 8x
A
(4,40)
B
(1,5)
C
(2,16)
D
(3,21)
3) Tell which ordered pair is a solution to the equation. y = 3x - 2
A
(1,3)
B
(5,13)
C
(6,20)
D
(2,10)
4) Tell which ordered pair is a solution to the equation. y = 4x + 1
A
(7,29)
B
(2,10)
C
(4,16)
D
(5,19)
5) Identify the independent variable. The equation P = 2L + 20 gives the perimeter P (in inches) of a rectangular box with a length of L feet.
A
P
B
I
C
K
D
L
6) Identify the dependent variable. The equation P = 2L + 20 gives the perimeter P (in inches) of a rectangular box with a length of L feet.
A
I
B
L
C
K
D
P
7) Identify the independent variable. The equation k = 88p gives the total number of keys k for p pianos.
A
I
B
P
C
L
D
K
8) Identify the dependent variable. The equation k = 88p gives the total number of keys k for p pianos.
A
L
B
K
C
I
D
P
9) Identify the independent variable. The equation A = 25w gives the area A (in square feet) of a rectangular dance floor with a width of w feet.
A
W
B
S
C
A
D
C
10) Identify the dependent variable. The equation A = 25w gives the area A (in square feet) of a rectangular dance floor with a width of w feet.
A
W
B
A
C
C
D
S
11) Identify the independent variable. The equation c = 0.09s gives the amount c (in dollars) of commission a salesperson receives for making a sale of s dollars.
A
C
B
S
C
A
D
W
12) Identify the dependent variable. The equation c = 0.09s gives the amount c (in dollars) of commission a salesperson receives for making a sale of s dollars.
A
W
B
S
C
A
D
C
*select an answer for all questions
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