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Determine the Vertex of a Quadratic Equation Using the Formula (-b/2a, f(-b/2a))

Authored by Anthony Clark

Mathematics

10th Grade

CCSS covered

Determine the Vertex of a Quadratic Equation Using the Formula (-b/2a, f(-b/2a))
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In order to find the vertex of an in standard form, the first two steps are to use the equation _____ to find the x value, and then you can plug that value back into the equation to find the _____.

-b/2a, y-value

(x-h)^2, y-intercept

(x-r1), solution

ax^2, vertex

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An object in launched directly upward at 64 feet per second (ft/s) from a platform 80 feet high. Its height is represented by the equation 
s(t) = –16t2 + 64t + 80.
What will be the object's maximum height? 

2 ft

80 ft

144 ft

64 ft

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the vertex of
f(x) = -x2 - 4x + 12.

(-2, 16)

(-2, 14)

(2, 4)

(-2, 4)

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the length of the rope?

24 ft

8 ft

12 ft

10 ft

5.

LABELLING QUESTION

1 min • 4 pts

Label parts of this function.

a
b
c
d

Y-intercept

Zero(-)

Zero (+)

Vertex

Tags

CCSS.HSF-IF.C.7A

6.

DRAG AND DROP QUESTION

1 min • 1 pt

Media Image

The table of a quadratic function is shown.

Create the ordered pair that represents the vertex of the quadratic.

( ​ (a)   , ​ (b)   )

-2

-6

-3

-5

-4

-1

0

1

3

7.

HOTSPOT QUESTION

1 min • 1 pt

A graph of a quadratic function is shown. What is the vertex of the function?

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