AnswersPrecalculusApplying Vectors in the Plane

Applying Vectors in the Plane — Cumulative exam Answers

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22
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Let w = where O(–5, 6) and R(4, –2). What is the component form of w?

Question illustration
A
LeftAngleBracket negative 0.2, 0.8 RightAngleBracket
Option A
B
LeftAngleBracket negative 5, 20 RightAngleBracket
Option B
C
LeftAngleBracket 1.8, negative 1.6 RightAngleBracket
Option C
D
LeftAngleBracket 45, negative 40 RightAngleBracket
Option D
23

Convert 9x2 + 4y2 – 54x – 8y – 59 = 0 into standard form.

A
StartFraction (x + 3) squared Over 4 EndFraction + StartFraction (y + 1) Over 9 EndFraction = 1
Option A
B
StartFraction (x minus 3) squared Over 4 EndFraction + StartFraction (y minus 1) Over 9 EndFraction = 1
Option B
C
StartFraction (x + 3) squared Over 16 EndFraction + StartFraction (y + 1) Over 36 EndFraction = 1
Option C
D
StartFraction (x minus 3) squared Over 16 EndFraction + StartFraction (y minus 1) Over 36 EndFraction = 1
Option D
24

Which of the following is another way of expressing ?

Question illustration
A
mc022-2.jpg
Option A
B
mc022-3.jpg
Option B
C
mc022-4.jpg
Option C
D
mc022-5.jpg
Option D

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