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3/8 Writing Quadratic Functions from a Table or Sequence

Total questions: 8

Worksheet time: 14mins

Name
Class
Date
1.

Find the nth term for the following quadratic sequence...


7, 13, 23, 37, 55...

a)

2n2 + 5

b)

2n2 + 5n

c)

n2 + 5

d)

n2 - 5

2.

Find the nth term for the following quadratic sequence...


4, 14, 30, 52, 80...

a)

3n2 + n

b)

2n2 + n

c)

3n2 - n

d)

2n2 - n

3.

Find the nth term for the following quadratic sequence...


4, 11, 20, 31, 44...

a)

n2 + 4n - 1

b)

n2 + 4n + 1

c)

n2 + n + 4

d)

n2 + n - 4

4.

Find the nth term for the following quadratic sequence...


1, 13, 33, 61, 97...

a)

4n2 - 3

b)

3n2 + 3

c)

3n2 - 3

d)

4n2 + 3

5.

a)

y=2x2+1y=2x^2+1

b)

y=2x+1y=2x+1

c)

y=x+1y=x+1

d)

y=2x21y=2x^2-1

6.

a)

y=2x2+1y=2x^2+1

b)

y=2x+1y=2x+1

c)

y=x+1y=x+1

d)

y=2x2+1y=-2x^2+1

7.

a)

y=x2x3y=x^2-x-3

b)

y=x2+x+3y=x^2+x+3

c)

y=x2x+3y=x^2-x+3

d)

y=x2+x3y=x^2+x-3

8.

a)

y=x2+2x+3y=-x^2+2x+3

b)

y=x2+3x+2y=-x^2+3x+2

c)

x2+5x+4x^2+5x+4

d)

x23x4x^2-3x-4