End-of-Course Assessment

Multiple Choice

Read each question. Then write the letter of the correct answer on your paper.

1. What is the standard equation of a circle with center ( − 2 , 0 ) open minus , 2 comma 0 close  and radius 4?
   1. ( x − 2 ) 2 + y 2 = 4 open x minus . 2 , close squared , plus , y squared , equals 4
   2. ( x + 2 ) 2 + y 2 = 16 open x plus . 2 , close squared , plus , y squared , equals 16
   3. x 2 + ( y − 2 ) 2 = 2 2 x squared , plus , open y minus . 2 , close squared , equals , 2 squared
   4. x 2 + ( y + 2 ) 2 = 16 x squared , plus , open y plus . 2 , close squared . equals 16

2. Which of the following could serve as a counterexample to the assertion below?

   If each pair of opposite sides of a quadrilateral are equal in length and parallel, then the quadrilateral is a square.

   6. Kite
   7. rhombus
   8. Square
   9. trapezoid
3. A B ↔ modified eh b with left right arrow above  is tangent to ⊙ C circle dot c  at point B. Which of the following can you NOT conclude is true?
   1. m ∠ C A B < m ∠ A C B m angle , c eh b less than , m angle eh c b
   2. A B 2 + B C 2 = A C 2 eh , b squared , plus , b , c squared , equals , eh , c squared
   3. ∠ C A B angle c eh b  and ∠ A C B angle eh c b  are complements.
   4. A B ↔ ⊥ B C ↔ modified eh b with left right arrow above , up tack , modified b c with left right arrow above
4. The lengths of two sides of a triangle are 4 cm and 8 cm. Which distance could be the length of the third side?
   6. 4 cm
   7. 8 cm
   8. 12 cm
   9. 16 cm

5. What is the area of Δ R S T cap delta r s t  in square feet?

   

   1. 9 2 9 square root of 2
   2. 20.25
   3. 40.5
   4. 81 2 81 square root of 2
6. Which graph represents the equation ( x − 4 ) 2 + ( y + 2 ) 2 = 16 ? open x minus . 4 , close squared , plus , open y plus . 2 , close squared . equals 16 , question mark
   6. 
   7. 
   8. 
   9. 

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