Quiz about Completing the Square

Question 1

Solve the equation by completing the square. 5x² - 35x + 60 = 0

Accepted Answer

{3, 4}

Answer

{3, -4}

Answer

{-3, 4}

Answer

{-3, -4}

Question 2

Solve by completing the square. x² + 10x = -9

Accepted Answer

{-1, -9}

Answer

{1, -12}

Answer

{1, -9}

Answer

{1, -1}

Question 3

Solve by completing the square. $$x^2-8x-20=0$$

Accepted Answer

$$\left\{-2,\ 10\right\}$$

Answer

$$\left\{-10,\ 2\right\}$$

Answer

$$\left\{-20,\ -8\right\}$$

Answer

$$\left\{8,\ 20\right\}$$

Question 4

What should be added to both sides of the following equation to complete the square?
x² + 12x = 5

Accepted Answer

36

Answer

12

Answer

6

Answer

5

Question 5

Complete the Square
x² + 6x = 5

Accepted Answer

(x + 3)² = 14

Answer

(x + 3)² = 5

Answer

(x + 6)² = 9

Answer

(x + 6)² = 14

Question 6

What do you do to the b value to correctly complete the square?

Accepted Answer

divide it by 2 and square the result

Answer

square it

Answer

divide it by 2 and take the square root of the result

Answer

divide it by 2 only

Question 7

Complete the Square
x² + 6x + 5

Accepted Answer

(x + 3)² - 4

Answer

(x + 6)² - 4

Answer

(x + 3x)² - 4

Answer

(x + 3)² + 9

Question 8

What is the next line when completing the square?

Accepted Answer

$$\left(x-2\right)^2=9$$

Answer

$$\left(x+4\right)^2=9$$

Answer

$$\left(x-4\right)^2=9$$

Answer

$$\left(x+2\right)^2=9$$

Question 9

What is the next line when completing the square?

Accepted Answer

$$\left(x+10\right)^2=121$$

Answer

$$\left(x-10\right)^2=121$$

Answer

$$\left(x-20\right)^2=121$$

Answer

$$\left(x+20\right)^2=121$$

Completing the Square

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics