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Graphs of Quadratic Functions

Authored by Kathryn Dempsey

Mathematics

9th - 11th Grade

CCSS covered

Used 39+ times

Graphs of Quadratic Functions
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18 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following equations matches standard form of a quadratic?

ax + by = c
y = a(x - h)2 + k
y = ax2 + bx + c
y = mx + b

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The quadratic function shown in the graph has how many real roots?

one repeated root

two real roots

no real roots

cannot be determined

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the y intercept for the equation:
y = -8x2 + 3x - 7

(0, -8)
(0, 3)
(-8, -7)
(0, -7)

Tags

CCSS.HSF-IF.C.7A

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the axis of symmetry for
f(x) = x2- 8x + 15.

x = -4
x = 4
y = 4
y = -4

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What piece of information does c identify in the following equation?
y=ax2+bx+c

Zeroes
Axis of Symmetry
Direction
y-intercept

Tags

CCSS.HSF-IF.C.7A

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The graph shows the height of a baseball from the time it is thrown from the top of a building to the time it hits the ground. How much time until the baseball is 80 meters above the ground.

1 sec

9 sec

7 sec

6 sec

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