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15
×
A rectangle’s length is 3x and width x + 2. Write an expression for its area.
3x(x + 2) or 3x² + 6x
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15
×
Simplify: (2 + 4)² ÷ (3 − 1)
18
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15
×
Simplify: (2 + 3)³
125
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15
×
Simplify: 4² + 6 × 2
28
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15
×
Simplify: 3(2² + 4) − 5
19
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15
×
Simplify: 12 − [4 + 2(3²)]
−2
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15
×
Evaluate: 4²
16
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15
×
Simplify completely: 2(3y + 4) + 5y − 2
11y + 6
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15
×
Evaluate: (10 − 2)² ÷ (4 + 4)
8
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15
×
Simplify: 5 + 3 × 2
11
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15
×
What does a coefficient tell you?
The number multiplied by the variable
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×
boom
Lose 50 points!
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×
magnet
Take 20 points!
Okay!
×
rocket
Go to first place!
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lifesaver
Give 15 points!
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lifesaver
Give 15 points!
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gift
Win 25 points!
Okay!
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rocket
Go to first place!
Okay!
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banana
Go to last place!
Oops!
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boom
Lose 50 points!
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gift
Win 10 points!
Okay!
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fairy
Take points!
5
10
15
20
25
×
lifesaver
Give 25 points!
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15
×
Write an expression for “the sum of x and 9
divided by 3.”
(x + 9)/3
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15
×
Simplify: 3 × 2³ + 4
28
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