Sequences & Functions
Write the next three terms of the sequence: 4, 7, 10, 13, __, __, __.
What is 16, 19, 22? (common difference = 3)
When we add polynomials, we are simply just _______.
What is combining like terms?
When we multiply polynomials, we _____ the exponents but when we divide polynomials, we ____ the exponents.
What is add/subtract?
If a quadratic function has a negative "a" or leading co-efficient, the parabola opens up in which direction?
What is down?
What is the common ratio of the geometric sequence:
5, 15, 45, 135, …
What is 3?
Write an explicit formula for the arithmetic sequence where a1= 8 and d=3.
What is 8 + (n-1)(3)?
(3x+7)+(5x−2)
What is 8x+5?
(x+3)(x+2)
What is x2+5x+6?
y-intercept of f(x)=x2−6x+5
What is (0,5)?
Does the relation represent a function?
{(−2,1),(−1,4),(0,7),(1,7),(−2,9)}
What is no?
Find the 10th term of the sequence: an = 5n-1
What is 49?
Add: (9m2+6m+1)+(−4m2+m−3)
What is 5m2+7m−2
2x3+5x2-9x+4 ÷ 2x3+5x2-9x+4
What is 1?
Determine if the function is quadratic:
a) y=3x−7
b) y=x2+5x−2
c) y= √x
What is b?
Simplify:
(7x2−3x+5)−(4x2+x−8)
What is 3x2-4x+13?
Evaluate the function: If f(x)=3x - 4, find f(8)
What is 20?
(8x+3)−(2x−5)
(a+b)(a−b)
What is a2 - b2 ?
Axis of symmetry for x2+ 10x + 4
What is x= -5?
(x−6)(x+4)
What is x2-2x-24?
Identify the domain of the function: f(x) = 2/x - 5
What is "all real numbers except 5"?
(12m2+m−8)−(−5m2+3m+1)
What is 17m2−2m−9?
2x3+3x2-5x+6 ÷ x-2
What is 2x2+7x+9+ 24/x-2?
Vertex of f(x)=(x−4)2+3
What is (4,3)?
State the axis of symmetry of the quadratic function:
f(x)=−3x2+12x−9
What is x=2?