T3 C5 S1: Equations and Applications of Circles

3 Slides • 5 Questions

1

2

Recall:

Square of Binomial

3

Multiple Choice

Which of the following is the correct last term to will complete the equation:

$\left(x+1\right)^2=x^2+2x+$ __

1

-1

2

1

3

-2

4

2

4

Multiple Choice

Expand: $\left(y-5\right)^2$

1

$y^2-25$

2

$y^2+10y+25$

3

$y^2-10y+25$

4

$y^2+25$

5

Multiple Choice

TRUE or FALSE

$\left(m+12\right)^2=m^2+24m+144$

1

TRUE

2

FALSE

3

CANNOT BE DETERMINED

6

PRACTICE ITEMS:

Equation of Circle in General Form

7

Multiple Choice

Which of the following equations of circle in

general form has its center at C(3, 4) and radius of 5 units?

1

x² + y²+ 6x + 8y = 0

2

x² + y²+ 6x - 8y + 25 = 0

3

x² + y²+ 6x - 8y - 25 = 0

4

x² + y²- 6x - 8y = 0

8

Multiple Choice

Determine the general form of $\left(x-5\right)^2+\left(y+3\right)^2=81$

1

x²+y²+10x+6y-47=0

2

x²+y²-10x-6y-47=0

3

x²+y²+10x-6y-47=0

4

x²+y²-10x+6y-47=0

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