Standard Form to Vertex Form Practice

Fill in the blank: When we convert from standard to vertex form, the a value will ____________.

• Stay the same

• Be the same but negative

• Become the vertex

• Be squared

If we have the equation y=ax²+bx+c, how can we can find the x-coordinate of the vertex?

• -a

• -b/a

• b/2a

• -b/2a

Convert the equation y= x²-2x-5 into vertex form. 

• y= (x-1)²-6

• y= -(x-1)²-6

• y= (x+1)²-6

• y= -(x+6)²-1

Convert the equation y= x²+4x into vertex form. 

• y= (x+4)²-4

• y= (x-2)²+4

• y= (x+2)²-4

• y= (x+2)²

Convert to vertex form.

• y=-(x-5)² + 21

• y=-(x+5)² + 21

• y=-(x+10)² + 21

• y=-(x-10)² + 21

• A
• B
• C
• D

Convert to vertex form.

• y=4(x+4)² - 62

• y=4(x-4)² - 62

• y=4(x-8)² - 62

• y=4(x+8)² - 62

Convert to vertex form.

• y=1/2(x-4)² - 29

• y=1/2(x+4)² - 29

• y=1/2(x+8)² - 29

• y=1/2(x-8)² - 29

• A
• B
• C
• D