Question
Which expression in equivalent to 2 (4x - 9)?
3
Responses
A
8x - 18
3
8 x - 18 3
B
8x - 9
3
8 x - 9 3
C
8 (x + 18)
3
8 ( x + 18) 3
D
8 (x - 12)
3
3
Responses
A
8x - 18
3
8 x - 18 3
B
8x - 9
3
8 x - 9 3
C
8 (x + 18)
3
8 ( x + 18) 3
D
8 (x - 12)
3
Answers
Answer
Which two statements are correct when simplifying this expression?
12 + 6(3x − 2)
Responses
A First, calculate 6(3x − 2)First, calculate 6(3x − 2)
B First, calculate 12 + 6.First, calculate 12 + 6.
C 12 + 6(3x − 2) = 54x − 3612 + 6(3x − 2) = 54x − 36
D 12 + 6(3x − 2) = 18x12 + 6(3x − 2) = 18x
E 12 + 6(3x − 2) = 18x − 24
12 + 6(3x − 2)
Responses
A First, calculate 6(3x − 2)First, calculate 6(3x − 2)
B First, calculate 12 + 6.First, calculate 12 + 6.
C 12 + 6(3x − 2) = 54x − 3612 + 6(3x − 2) = 54x − 36
D 12 + 6(3x − 2) = 18x12 + 6(3x − 2) = 18x
E 12 + 6(3x − 2) = 18x − 24
Answer
Which expression is equivalent to -
1 (10x + 15) - 2?
5
Responses
A -2x – 1 -2 x – 1
B -2x – 4-2 x – 4
C -2x – 3-2 x – 3
D -2x – 5
1 (10x + 15) - 2?
5
Responses
A -2x – 1 -2 x – 1
B -2x – 4-2 x – 4
C -2x – 3-2 x – 3
D -2x – 5
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