Simple Equations
Functions
Inequalities
Arithmetic Sequences
Evaluating functions
100
Solve: 2x + 2 = 18
x = 8
100
Algebra: Is this a function: {(1, 2), (2, 3), (2, 4)}
No
100
Solve the inequality
2x-3\leq13
x\leq8
100
Is this sequence arithmetic? Explain.
-9, -2, 5, 12, ...
Yes, there is a common difference of 7.
(or Yes, it's adding 7)
100
Use the graph to find f(-1)
3
200
Solve: 3x + 4 = 7
x = 1
200
Change the function into Standard form:
y=2x-1
2x-y=1
200
When you multiply or divide an inequality by a negative number you must do this...
Flip the sign
200
What is the common difference for the arithmetic sequence 17, 5, -7, -19, ...
d = -12
200
Use the graph below to evaluate f(3)
2
300
Solve: 3x + 3 - 2x = 21
x = 18
300
Change the following function into slope intercept form:
3x-4y=12
y=3/4x-3
300
Would you shade the following graph above or below the boundary line
y\geq3x-5
What is above.
300
Write the explicit form for the arithmetic sequence that has -6 as its first term and 11 as the common difference.
f(n)=11n-17
300
Use the graph below to find x when f(x) = -1
-5, 5
400
Solve: 4x - 5 - 3x + 2 - 2x = 9
x = -12
400
To be a function, each input must have how many outputs?
What is 1 output.
400
Would the following function have a solid or dotted line?
y<3x+1
What is dotted
400
What is the common difference in the following sequence?
4, 14, 24, 34, ...
d=10
400
For f(x) = -4x + 7 evaluate f(-5)
27
500
Solve: 21 + x = 2(x - 6)
x = 33
500
What is the domain of this graph?
[-2,inf)
500
Is the following function shaded above or below? Is the line solid or dotted?
2x-6y\geq12
Below & Solid
500
Write the explicit formula, in simplest form, for the arithmetic sequence below:
-68, -62, -56, -50, ...
an = -74 + 6n
or
an = 6n - 74
500
For f(x) = 3x2 + 2x - 8 find f(-5).
57