Equations
Inequalities
Order of Operations
Sequences
Functions
100
What type of solution does this system of equations have: y = 2x + 5 , y = 1/2x + 4
one solution
100
Graph the inequality x > 3
o------>
_____-2_-1_0_1_2_3_4_5_6_
100
Simplify the following expression:
100
What is an arithmetic sequence?
A sequence of numbers where the difference between any two successive terms is constant.
100
What is the domain and range of the relation:
{ (-3, 2) (-1, 5) (0, 4) (1, 5) }
D: {-3, -1, 0, 1}
R: {2, 4, 5}
200
Solve for x: | x| + 5 = 8
x= -3, 3
200
Graph the inequality -3 < x < 5
o------------------o
-5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8
200
Simplify the following expression:
200
What is the recursive formula?
an=an-1 + d
200
Is the following relation a function:
{ (3, 4) (5, 8) (3, 5) (5, 8)}
No, there is an input with more than one output.
300
What is an equation in standard form with an x intercept of 1 and y intercept of 5.
5x + y = 5
300
In the graph of an inequality, the region left of a dashed vertical line through the point (5, 2) is shaded. What inequality does the graph represent?
x < 5
300
3 + 42 • (3 + 2)
83
300
What is the explicit formula for the sequence:
a1=26
an=an–1 – 3
an= 26 - 3 (n-1)
simplified: an= -3n +29
300
What is a ceiling function?
A type of step function that rounds numbers up to the nearest integer.
400
Find the solution of the system:
4x + 2y = 10
x - y = 13
(6, -7)
400
Solve : |x − 4| − 3 <7
-6 < x < 14
400
45
400
Which of the following is an arithmetic sequencethat can be modeled by an explicit formula expressed as a linear function?
a) 0 , 4, 10, 18, 28...
b) 10, 7, 4, 1, -2...
c) 1, 2, 4, 7, 11...
d) -1, 0, 4, 0, 3, 0
B
400
Let f(x)= -4x. How does the graph g(x)= -4x - 3 compare with the graph of f(x)?
The graph of g(x) is shifted 3 units down.
500
The area A, of a circle with radius r, can be found used the formula A=π r^2. What formula represents r in terms of A.
r= sqrt(A/pi)
500
Graph:
y<= -5/2 x - 2
y < -1/2x +2
Cross at (-2, 3) dotted line and bold line, shaded bottom left
500
30
500
An arithmetic sequence is represented by the recursive formula an = a(n − 1) + 9. If the first term in the sequence is 2, write the explicit formula.
an= 4 + 9(n-1)
500
Evaluate the value for each function for when x= 3.5
f(x)= 3x
g(x)= |_3x_|
f(3.5)= 10.5
g(3.5)= 10