Examview - Paper Preassessment Polynomial Unit Worksheet Page 6
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13Solve the polynomial.
18 x 2 + 7x + 19 = 0
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A x = 49
B no solution
C x = 19
D x = 12
19 Evaluate the polynomial 6x − y for x = −3 and y = 2 .
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A 15
B –20
C 4
D –16
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20 For which values of m and n will the binomial m
have a positive value?
n
+ m
n
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A m = –2, n = –2
C m = 1, n = –2
B m = 3, n = –1
D m = –3, n = –5
21 A fireworks company has two types of rockets called Zinger 1 and Zinger 2. The
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polynomial −16t
+ 150t gives the height in feet of Zinger 1 at t seconds after launch.
2
The polynomial −16t
+ 165t gives the height of Zinger 2 at t seconds after launch. If
the rockets are launched at the same time and both explode 6 seconds after launch,
how much higher is Zinger 2 than Zinger 1 when they explode?
A 414 ft
B 990 ft
C 90 ft
D 324 ft
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