Cumulative Exam — Cumulative exam Answers
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What are the values of x in the equation x2 – 6x + 9 = 25?
A
x = –2 or x = 8B
x = –1 or x = –11C
x = 1 or x = 11D
x = 2 or x = –822
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Which expression is equivalent to ?
A
Negative 4 x Superscript 4 Baseline y Superscript 6
B
Negative 8 x Superscript 4 Baseline y Superscript 6
C
StartFraction 4 x Superscript 4 Baseline Over y Superscript 6 EndFraction
D
StartFraction 8 x Superscript 4 Baseline Over y Superscript 6 Baseline EndFraction
23
What is the point of intersection when the system of equations below is graphed on the coordinate plane?
(
(1, –3)(
(–1, 3)(
(1, 3)(
(–1, –3)24
Rene is designing a satellite that is the shape of a parabola that opens upward with a diameter of 8 in. and a depth of 2 in. The feed antenna focuses the incoming radio waves. At what point should the feed antenna be placed?
A
(–8, 0)B
(–2, 0)C
(0, 2)D
(0, 8)25
Which expression is equivalent to ?
A
mc004-2.jpg
B
mc004-3.jpg
C
mc004-4.jpg
D
mc004-5.jpg
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