Finding the Vertex in Standard Form

What is the vertex for the quadratic function: f(x) = 3x² + 18x + 5

• (-3, 22)

• (3, -22)

• (-3, -22)

• (3, 22)

Find the Vertex:
f(x) = x² + 10x + 21

• (-5,-4)

• (1,10)

• (10,21)

• No Real Solution

Find the Vertex:
y = x² + 6x + 2

• (-3,-7)

• (1,6)

• (6,2)

• No Real Solution

Determine the vertex of the parabola:
y = 5x² - 20x + 13

• (5, -7)

• (-2, -7)

• (2, -7)

• (-7, -2)

To find the vertex of a quadratic in standard form, you ​ (a)   and ​ (b)   . Then you ​ (c)   the value back into the ​ (d)   to find the ​ (e)   coordinate of the vertex.

• take the opposite of b

• divide it by 2

• substitute

• equation

• y

• x

• take the opposite of c

• multiply it by 5

The vertex of parabola y = - 2x² - 4x + 1 is

• (1, 3)

• (- 1, 3)

• (- 1, -5)

• (- 1, 5)

What is the vertex of the following quadratic function?

y = (x-2)² + 4

• Vertex (2,4)

• Vertex (3, -8)

• Vertex (-2, 4)

• Vertex (-4, -10)

What is the vertex of the graph of... y=x²+8x+10

• (-4,-6)

• (4,-6)

• (8,10)

• (-4,26)

Find the vertex of the following function:
f(x)=2x²-4x-1

• (1,3)

• (1,-3)

• (-1,-3)

What are the coordinates of the vertex of the graph of the function

y= - x² +6x - 11?

• (3,-2)

• (3,16)

• (-3,-29)

• (-3,-20)