Quadratics Quiz 1



Completing the Square Quiz

1-5 Find the number that needs to be added to each side of the equation to complete the square :

1. [pic]

a. 5

b. 25

c. -5

d. -25

2. [pic]

e. 5/2

f. -5/2

g. 25/2

h. 25/4

3. [pic]

i. 12

j. 36

k. 9

l. -9

4. 2[pic]

a. -100

b. 20

c. 100

d. 50

5. [pic]

m. 36

n. -36

o. 6

p. -6

6. Complete the square of [pic] to find the vertex form [pic]

a. [pic]

b. [pic]

c. [pic]

d. [pic]

7. Complete the square of [pic] to find the vertex

e. (2, 5)

f. (2, -5)

g. (-2, 5)

h. (-2, 13)

8. Find the minimum or maximum value of [pic]

a. Minimum value of 6

b. Minimum value of -41

c. Maximum value of 6

d. Maximum value of -41

9. Solve by completing the square (or you could always use the quadratic formula) [pic]

e. [pic]

f. [pic]

g. [pic]

h. [pic]

10. Find the value of C for the following

[pic]

a. 49

b. -49

c. 7

d. -7

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