Is the following sequence Arithmetic or Quadratic?
2,4,6,8
Arithmetic
(x² + 3x) + (2x² + 4x)
3x² + 7x
(x + 2)(x + 3)
x² + 5x + 6
What is the GCF of 6x+12
6(x + 2)
x² + 5x + 6
(x + 2)(x + 3)
When a sequence has a common second difference, what type of sequence is it?
Quadratic
(5x² − 2x) + (3x² + x − 4)
8x² − x − 4
(x − 1)(x + 4)
x² + 3x − 4
Factor out the GCF
10x + 15x
5x(2 + 3)
2x² + 7x + 3
(2x + 1)(x + 3)
Complete the following sequence
3, ___, 11,15,19
3, 7, 11, 15, 19
(4a² + 3a − 8) − (a² − 2a)
3a² + 5a − 8
(2x + 1)(x − 5)
2x² − 9x − 5
Factor out the GCF
12a² − 18a
6a(2a − 3)
3x² + 11x + 6
(3x + 2)(x + 3)
Identify the CROC or CSD of the following sequence
2, 6, 12, 20...
CSD: 2
(6x² − x + 3) − (2x² + 4x − 5)
4x² − 5x + 8
(3x − 2)(2x2 +x + 5)
6x3-x2 + 13x − 10
Factor out the GCF
20x³ + 25x²
5x²(4x + 5)
2x² − 7x − 15
(2x + 3)(x − 5)
-1,2, __, 10, 17
Quadratic, -1, 2, 5, 10, 17, CSD: 2
(2x² − 3x + 1) + (−5x² + 7x − 4)
−3x² + 4x − 3
(2x2+x − 3)(3x + 4)
6x3+11x2-5x-12
Factor out the GCF
18x2+24x-6
6(3x2+4x-1)
6x² + 11x + 4
(3x + 4)(2x + 1)