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Key Concepts Section 1.4 Quiz
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Use the document below to help answer the questions:


1
A movie theatre has 30 rows of seats. The front row has 15 seats. Each succeeding row has one more seat than the row in front of it. How many seats are in the theatre?

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A)450
B)660
C)885
D)900
2
Britt uses a dual cipher that shifts vowels left 2 places among themselves, and consonants right one place among themselves. Use the cipher to code BUTLER.
A)CVUMCS
B)CIVMUS
C)ZVUKGQ
D)ZSUKCQ
3
Ranjit was plotting a hexagon on graph paper. He plotted the points (– 1, 2), (3, 2), (– 1, – 6), (5, – 2) and (3, – 6). Which point is missing?

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A)(– 3, – 2)
B)(– 2, – 3)
C)(– 3, 2)
D)(2, – 3)
4
Marta is three times as old as her brother Jerome. A possible algebraic representation for the sum of their ages is
A)x + 3
B)x – 3
C)3x
D)4x
5
An elevator went up 5 floors, then down 7 floors, then up 8 floors, then down 9 floors to ground level. What floor did the elevator start on?
A)2
B)3
C)4
D)5





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