Vertex Quiz - by Mrs. A Aguilar

What is the vertex formula you need to memorize?

• -b/2a

• b/2a

• b(2a)

• -b(2a)

How do you find the y-coordinate once you know the x-coordinate?

Tags

CCSS.HSF.IF.A.2

what is the vertex form

• y = a(x - h)² + k

• y = a(x + h)² + k

• y = a(x-k)² + h

• y = a(x-b)² + c

Answer explanation

Greek mathematics developed around the 7th century BC.

What is the vertex of this equation?

y= 5(x - 7)² + 9

Remember to write your answer with parenthesis ( , )

(a)  

Answer explanation

The symbol for division (i.e.÷) is called an obelus.

What is the vertex in this equation?

y= 7(x+9)² +4

• (9,4)

• (7,4)

• (-9,4)

• (4,9)