Free Printable 10/30 Math 2 Quiz 9

1.

Complete the square for

x² - 14x + ____

(find the missing value that goes in the blank)

a)

- 196

b)

49

c)

- 49

d)

28

2.

What value of c would make this a perfect sqaure trinomial?
x² +8x + c

a)

4

b)

16

c)

64

d)

-16

3.

Complete the square and write in Vertex Form

f(ç) = ç² + 4ç + 9

a)

f(ç) = (ç+2)² + 5

b)

f(ç) = (ç - 2)² + 5

c)

f(ç) = (ç+4)² + 5

d)

f(ç) = (ç+2)² - 5

4.

Complete the square and write in Vertex Form

f(я) = я² + 6я + 12

a)

f(я)= (я+3)²-3

b)

f(я)= (я+3)² +3

c)

f(я)= (я+6)²+3

d)

f(я)= (я-3)²-3

5.

Complete the Square and write in Vertex Form:

f(ç) = ç² + 6ç + 5

a)

(ç + 3)² - 4

b)

(ç + 6)² - 4

c)

(ç + 3x)² - 4

d)

(ç + 3)² + 9

6.

Convert the quadratic equation $y\ =\ x^2\ -\ 2x\ +\ 5$
into vertex form.

a)

$y\ =\ \left(x\ -\ 1\right)^2\ -\ 6$

b)

$y\ =\ -\left(x\ -\ 1\right)^2\ -\ 6$

c)

$y\ =\ \left(x\ +\ 1\right)^2\ -\ 6$

d)

$y\ =\ \left(x\ +\ 6\right)^2\ -\ 6$

7.

Simplify

\sqrt{56}

a)

$4\sqrt{14}$

b)

$2\sqrt{14}$

c)

$2\sqrt{27}$

d)

$4\sqrt{7}$

8.

Simplify

\sqrt{800}

a)

$10\sqrt{8}$

b)

$5\sqrt{32}$

c)

$12\sqrt{2}$

d)

$20\sqrt{2}$

9.

\sqrt{128}

a)

$64\sqrt{2}$

b)

16

c)

$2\sqrt{8}$

d)

$8\sqrt{2}$

10.

Simplify

-3\sqrt{28}

a)

$-21\sqrt{2}$

b)

$-21\sqrt{4}$

c)

$-12\sqrt{7}$

d)

$-6\sqrt{7}$

11.

$\sqrt{50}$

a)

$5\sqrt{2}$

b)

$\sqrt{5}$

c)

$2\sqrt{5}$

d)

$25\sqrt{2}$

12.

Simplify

4\sqrt{75}

a)

$4\sqrt{5}$

b)

$12\sqrt{5}$

c)

$20\sqrt{3}$

d)

$7\sqrt{3}$

13.

Complete the Square for y = ç² + 6ç + 20 and rewrite in vertex form. What would be the missing value?

y = (ç + 3)² + (a)

14.

Complete the square. What value goes in the blank?

x² + 26x + (a)

15.

If you complete the square for y = ç²-14ç + 54 and rewrite into vertex form, what would be the missing value?

y = (ç - 7)² + (a)

16.

If you complete the square for y = ç²- 8ç + 13 and rewrite into vertex form, what would be the missing value?

y = (ç - (a) )² - 3

17.

Which formula do you use to complete the square?

a)

$c=-\frac{b}{2a}$

b)

$c=\left(\frac{b}{2}\right)^2$

c)

$c=\left(\frac{b}{2}\right)$

d)

$c=2b$

10/30 Math 2 Quiz 9

Total questions: 17

Worksheet time: 45mins

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