Converting from vertex form to standard form

 $y=-3(x+5)^2-4$  
Convert the equation from vertex form to standard form.

• y = 9x² - 15x + 21

• y = -3x² - 75x - 4

• y = 9x² + 90x + 221

• y = -3x² - 30x - 79

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

 $y=-5(x+2)^2-10$  
Convert the equation from vertex form to standard form.

• y = -5x² - 20x - 30

• y = -5x² - 4x - 10

• y = 25x² + 100x + 90

• y = 25x² - 10x - 30

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

 $y=4(x+2)^2-8$ 

Convert the equation from vertex form to standard form. 

•  $y=4x^2+16x+8$  

•  $y=4x^2+16x+16$  

•  $y=16x^2+64x-8$  

•  $y=16x^2+256x+8$  

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

What is the axis of symmetry of the given function?

• y = 1
• y = -1
• x = 1
• x = -1

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.10

Convert
 y = 3(x+1)² - 8 into standard form.

• y=3x² + 6x - 5
• y=3x² - 6x - 5
• y=3x² + 6x + 5
• y=3x² - 6x + 5

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSF.IF.C.8