precal test unit 5

precal test unit 5

12th Grade

15 Qs

quiz-placeholder

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precal test unit 5

precal test unit 5

Assessment

Quiz

Mathematics

12th Grade

Practice Problem

Easy

Created by

Delia DeLaFuente

Used 1+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 mins • 2 pts

Media Image

Use a polar coordinate system to plot the point with the given polar coordinates. (-4, 405°)

Media Image
Media Image
Media Image
Media Image

2.

MULTIPLE CHOICE QUESTION

10 mins • 2 pts

Media Image

Use a polar coordinate system to plot the point with the given polar coordinates.

(4, 315°)

Media Image
Media Image
Media Image
Media Image

3.

MULTIPLE CHOICE QUESTION

10 mins • 2 pts

The rectangular coordinates of a point are given. Find polar coordinates of the point. Express θ in radians. (-5√2, -5√2)

(5√2, 225°)

(10, 225°)

(10, 135°)

(5√2, 135°)

4.

MULTIPLE CHOICE QUESTION

10 mins • 2 pts

Find the absolute value (modulus) of the complex number. z = 14 - 11i

√317

5

√3

5√3

5.

MULTIPLE CHOICE QUESTION

10 mins • 2 pts

Add or subtract as indicated and write the result in standard form. (-7 + 6i) - 9

2 + 6i

-16 + 6i

2 - 6i

16 - 6i

6.

MULTIPLE CHOICE QUESTION

10 mins • 2 pts

Find the product of the complex numbers. Leave answer in polar form. z1 = 5(cos 40° + i sin 40°) z2 = 2(cos 8° + i sin 8°)

7(cos 48° + i sin 48°)

7(cos 320° + i sin 320°)

10(cos 32° + i sin 32°)

10(cos 48° + i sin 48°)

7.

MULTIPLE CHOICE QUESTION

10 mins • 2 pts

Find a set of parametric equations for the rectangular equation. y = 2x + 3

x = t; y = 2t+3

y = 2t; x = t - 3

x = t/(2); y = t + (3/2)

x = t; y = 2t + 3

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