Unit 7 Obj. 2 HW Quiz

Unit 7 Obj. 2 HW Quiz

9th - 12th Grade

12 Qs

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Unit 7 Obj. 2 HW Quiz

Unit 7 Obj. 2 HW Quiz

Assessment

Quiz

Mathematics

9th - 12th Grade

Easy

Used 2+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Write this rectangular equation in polar form:

y = 11

r2=121r^2=121

11=rsinθ11=r\sin\theta

rcosθ=11r\cos\theta=11

y2=121y^2=121

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Write this rectangular equation in polar form:

            x2+y2=24x^2+y^2=24  

 r2=24r^2=24 

 tanθ=24\tan\theta=24 

 r2=24r^2=\sqrt{24} 

 r2=576r^2=576 

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Write this rectangular equation in polar form:

            x=9x=-9  

 rsinθ=9r\sin\theta=-9 

 rcosθ=9r\cos\theta=9 

 rcosθ=9r\cos\theta=-9 

 r2=81r^2=81 

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Write this rectangular equation in polar form:

            x2+y2=4xx^2+y^2=4x  

 r2=4rsinθr^2=4r\sin\theta 

 x2+y2=4rcosθx^2+y^2=4r\cos\theta 

 r2=16r^2=16 

 r2=4rcosθr^2=4r\cos\theta 

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Write this rectangular equation in polar form:

            x2+y2=2yx^2+y^2=2y  

 r2=2rsinθr^2=2r\sin\theta 

 2y=x2+y22y=x^2+y^2 

 x2+y2=2r2x^2+y^2=2r^2 

 r2=2rcosθr^2=2r\cos\theta 

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Write this rectangular equation in polar form:

            x2y2=1x^2-y^2=1  

 r2=x2y2r^2=x^2-y^2 

 (rcosθ)2(rsinθ)2=x2y2\left(r\cos\theta\right)^2-\left(r\sin\theta\right)^2=x^2-y^2 

 (rcosθ)2(rsinθ)2=1\left(r\cos\theta\right)^2-\left(r\sin\theta\right)^2=1 

 r2=1r^2=1 

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Write this polar equation in rectangular form:

            r=6r=6  

 x+y=6x+y=6 

 x2+y2=36x^2+y^2=36 

 x2+y2=6x^2+y^2=6 

 r2=36r^2=36 

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