Reading Quadratic Graphs
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10

What is/are the solution(s)?

What is the vertex?
(
,
)

6

2 and -2

1 and 3

0 and 6

4
-4
8
-8
12
-12
4
-4
8
-8
12
-12
16
-16
20
-20
What is/are the solutions?

-8

0

0 and -8

No solution

4
-4
8
-8
4
-4
8
-8
12
-12

What is the

axis of symmetry?

y = -1

x = 0

x = -1

x + y = -1

4
-4
8
-8
12
-12
4
-4
8
-8
12
-12
16
-16
20
-20
What is the y-intercept?

(-8, 0)

(0, -8)

(2 1/2, -14)

(0, 8)

2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10

Is the x2 term

positive or negative?

negative

positive

4
-4
8
-8
12
-12
4
-4
8
-8
12
-12
16
-16
20
-20
What are the zeros?

12 and 0

-4 and 4

4, -3 and 12

-3 and 4

4
-4
8
-8
12
-12
4
-4
8
-8
12
-12
16
-16
20
-20

(-2, -11)

(-3, -10)

(-11, -3)

(-3, -11)

What is the

vertex?

4
-4
8
-8
4
-4
8
-8
12
-12

Is the x2 term

positive or negative?

positive

negative

x =

What is the axis

of symmetry?

4
-4
8
-8
4
-4
8
-8
12
-12
What is/are the root(s)?

There are none

0

2

0 and 2

4
-4
8
-8
12
-12
4
-4
8
-8
12
-12
16
-16
20
-20
What are the solutions?

2 and 5

9 and 0

3.5 and -2

0 and 5

What is the

y-intercept?

(0,
)
4
-4
8
-8
12
-12
4
-4
8
-8
12
-12
16
-16
20
-20

 

What is/are

the solution(s)?

-1 and 1

0 and 4

0

No solution

4
-4
8
-8
12
-12
4
-4
8
-8
12
-12
16
-16
20
-20

Is x2

positive or

negative?

x = -4

y = -4

x = 1

x = -9 & 1

What is the

axis of symmetry?

4
-4
8
-8
12
-12
4
-4
8
-8
12
-12
16
-16
20
-20
What is/are the zeros?

-12 and -2

-2

13

-12, -2, 13

4
-4
8
-8
12
-12
4
-4
8
-8
12
-12
16
-16
20
-20

What equation is illustrated

by the graph?

y = x2 + 3x + 4

y = 3/2x + 4

y = -x2 - 3x - 4

 y = -x2 + 3x + 4
4
-4
8
-8
4
-4
8
-8
12
-12

What is the axis

of symmetry?

y = -6

x = 2.5

x = -6

x = 6

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