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Non-Linear Simultaneous Equations (H)

Authored by Amanda Martines

Mathematics

10th - 12th Grade

CCSS covered

Used 60+ times

Non-Linear Simultaneous Equations (H)
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17 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 x2+y2=19x^2+y^2=19  
 y=x+5y=x+5  
What is the correct next step to solve these simultaneous equations?

 x2+x2+25=19x^2+x^2+25=19  

 x2+y2=19x^2+y^2=19  
 y2=x2+25y^2=x^2+25  

 x2+(x+5)2=19x^2+\left(x+5\right)^2=19  

 x+y=19x+y=\sqrt{19}  
 y=x+5y=x+5  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 x2+(x+5)2=19x^2+\left(x+5\right)^2=19  
What is the correct next step to solve these simultaneous equations?

 x2+x2+10x+25=19x^2+x^2+10x+25=19  

 x2+x2+10x+10=19x^2+x^2+10x+10=19  

 x2+x2+10=19x^2+x^2+10=19  

 x2+x2+25=19x^2+x^2+25=19  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 x2+x2+10x+25=19x^2+x^2+10x+25=19  
What's the next step?

 2x2+10x=−62x^2+10x=-6  

 x+x+10=0x+x+10=0  

 2x2+10x+6=02x^2+10x+6=0  

 2x2+10x−6=02x^2+10x-6=0  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 2x2+10x+6=02x^2+10x+6=0  
What's the next step?

 x=−2±102−4×1220x=\frac{-2\pm\sqrt{10^2-4\times12}}{20}  

 x=−10±102−4×124x=\frac{-10\pm\sqrt{10^2-4\times12}}{4}  

 x=10±102−4×124x=\frac{10\pm\sqrt{10^2-4\times12}}{4}  

 x=−10±102−4×124x=-10\pm\frac{\sqrt{10^2-4\times12}}{4}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 x=−10±102−4×124x=\frac{-10\pm\sqrt{10^2-4\times12}}{4}  
Using your calculator, what are the two solutions?

 x=−5.541x=-5.541  
 x=0.541x=0.541  

 x=−8.197x=-8.197  
 x=−11.803x=-11.803  

 x=−0.697x=-0.697  
 x=−4.303x=-4.303  

 x=−6.394x=-6.394  
 x=−13.606x=-13.606  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

 x2+y2=19x^2+y^2=19  
 y=x+5y=x+5  
Solve for y.

 y=4.303y=4.303  
 y=0.697y=0.697  

 y=−5.697y=-5.697  
 y=−9.303y=-9.303  

 y=5.697y=5.697  
 y=9.303y=9.303  

 y=−4.303y=-4.303  
 y=−0.697y=-0.697  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 x2+y2=19x^2+y^2=19  

 y=x+5y=x+5  

Which diagram represents these two equations?

Media Image
Media Image
Media Image
Media Image

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