Functions
Equations
Statistics
Sequences
System of equations
100
Find a slope in the given equation
y= 2-0.9x
-0.9
100
Is 2 a solution to the equation 5x + 2 = 14
No
100
Give a definition of:
MODE
The most The mode is the value that appears most often in a set of data values.
100
What is the name of a constant that is added to a term of an arithmetic sequence to create the next term?
common difference
100
List at least 3 methods of solving systems of equations.
Geometrical, the Equal Values, Substitution, Elimination method
200
Find the y-intercept of the given function
y= 17x - 67
-67
200
Solve for x
11x -2 =20
x=2
200
Give a definition of:
Mean
The mean is the average of a data set.
200
What is the name of a constant that is used to create terms of a geometric sequence?
common ratio
200
Explain how the Substitution Method works.
Rearrange one of the given equations to make one of the unknown values its subject, substitute it to the second equation, and solve it. Next, substitute the outcome to the first equation to find the second unknown.
300
Consider the equation y = 5x-1. Find an equation of a line that is parallel to the given function.
y = 5x + b
300
x - (4x+9)=0
x=-3
300
Give a definition of Median
The statistical median is the middle number in a sequence of numbers. To find the median, organize each number in order by size
300
Is the below sequence arithmetic or geometric?
6, 36, 216, 1296
Geometric sequance
300
Explain how the Elimination method works.
We have to choose an unknown that we want to eliminate. Then multiply or divide an equation to obtain a negative coefficient of the unknown that you want to eliminate. Then add both equations and solve the new equation. Find the second missing value.
400
Find an equation of a function that is perpendicular to the function y= 8x-3
y = -(1/8)x+b
400
Solve for x
-4(x+3) = -2x -2(6 + x)
Infinitely many solutions
400
What is iQR
IQR =Q3 - Q1
50% of the middle data
400
Find the next term of the below sequence
4, -7, -18, -29, -40, ...
-51
400
Is (1, 5) a solution to the system
3x+2y = 1
x - 3y = -3 ?
No
500
Find an equation of a line passing through the points (9, 1) and (-1, 3).
y=-(1/5)x + (14/5)
500
Solve for x
5x+7 = 2(3x + 4)-1 -x
Infinitely many solutions
500
What kind of information is placed above?
Outliers
min/max
Q1, Q2, Q3, IQR
500
Write a recursive equation for the given sequence.
14, 22, 30, 38, 46,...
t(1)= 14
t(n+1)= t(n) +8
500
Solve for x and y
2x+y=7
-3x+4y=6
x=2
y=3