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Collect like terms to simply the expression
3r + (-3r) =
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Question 8 (1 point)
Collect like terms to simplify the expression
2j + (-9j) =
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Question 9 (1 point)
Collect like terms to simplify the expression
12 + 4b - 3 + 2c =
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Question 10 (1 point)
Collect like terms to simplify the expression
7y + 8 - 2y + 4 =
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Question 11 (1 point)
Collect like terms to simplify the expression
2a + 3b - 3a + 4c - b =
(This is not the same as the question before. Look closely.)
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Question 12 (1 point)
What is the perimeter of this triangle (in simplest form)?
Your answer should not have parentheses or multiplication symbols !
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Question 13 (1 point)
Which TWO expressions below are equivalent? (Make sure to click TWO answers !)
a
2(x - 5) + (-7)
b
2x - 17
c
2x - 12
d
x + (-7) + x + 5
e
x + (-7) + (-10)
Question 14 (1 point)
What shows the proper factoring of this expression?
4d + 24
a
4(d + 6)
b
2(d + 12)
c
4d(4 + 6)
d
6(d + 4)
Question 15 (1 point)
What is the proper factoring for this expression?
50 + 25x + 75y
a
75(x + y)
b
25(2 + x + 3y)
c
25(2 + 2x + 3y)
d
25(x + 3y)
Question 16 (0 points)
How confident do you feel about your ability to master this material by January 19?
(Don't worry--by the time we get to the first quiz, you will have had many chances to practice the ideas from this pre-test.)
a
Very confident
b
Pretty confident
c
A little confident
d
Not very confident
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