Statistics
Linear Equations
Systems of Equations
Inequalities
Misc
100
Which box plot has a higher variability
Correct Answer:
Test 1
100
What is the y-intercept of the function
f(x)=(1/2)(2x-4)
Correct Answer: (0,-2)
100
Name 3 different methods to find the solution to a system of equations
Correct Answer:
-Graph on demos and find intersection point
-Elimination
-Substitution
100
In the equation below, should the shaded region be above or below the line?
AND is the line dashed or solid?
y>3x+2
Correct Answer:
Above and Dashed
100
Jada has $200. Each week she saves $50 Dollars. If she does not spend any money how many weeks will it take to save $650
Correct Answer: 9 weeks
200
Find the Mean and the Median of the data below (no calculator)
3, 5 , 7 , 9 , 11
Correct Answer:
Mean: 7
Median: 7
200
The computer is purchased for $1,200 and depreciates at $140 per year. Create a linear equation to represent the value of V, of computer at the end of the t years?
V = 1,200 - 140t
200
A clothing store sells both pants and shirts. Create a system of inequalities to match the constraints.
- The store needs to sell at least 100 pants
- The store cannot sell more than 600 items a day
Correct Answer:
p>100
P+S<600
200
Ms. George needed to buy snacks for her Math 1 students. She needs to pay $2 for each drink and $12 for each pizza but she only has a budget of $50.
Write an inequality to represent the situation
Correct Answer:
2d+12p < 50
200
Which equation is equivalent to the expression
5x-2(7x+1)=14x
A: -9-2x=14x
B: -9x-2=14x
C: 12x-1=14x
Correct Answer B:
-9x-2=14x
300
How do you calculate the IQR in a data set?
Correct Answer:
Difference between Q3-Q1
300
What is the slope of the equation:
2x-5y=10
Correct Answer:
M = 2/5
300
Based off the equations, select the choice that is true
6x+5y=3
5x-6y=0
A) Both equations are parallel
B) Both equations are perpendicular
C) Both equations have the same y-intercept
Correct Answer:
B
300
Which graph represents the equation
2x-y<10
- Graph B
300
A gas tank in a car holds 15 gallons of gas. The car gets between 25 and 30 miles to the gallon. What is the least amount of miles she can drive before the car runs out of gas.
Correct Answer: 375
400
When data is skewed to the right.
Should we use the mean or the median to describe the middle of the data?
Should we use IQR or Standard Deviation to describe the variablity?
Correct Answer:
Median
IQR
400
Create an equation of the line perpendicular to the given line
3y=2x-4
Correct Answer:
y=-3/2x+b
400
Which graph shows the solution for the system of inequalities below?
y<2x+2
y>-3x-1
Correct Answer: C
400
Correct Answer: B
400
The distance traveled by a marble on a flat table is determined by the formula:
Isolate for the A variable.
s=ut+(1/2)at^2
A=2((s-ut)/t^2)
500
Alex collected data on the number of new movies produced in different years.
- Suppose that the number of movies made in 2005 was 595 and the number of movies in 2010 was 895.
What is the average rate of change (slope) represented in the situation?
Correct Answer: 60
500
Solve the system of equations using elimination
3x-2y=12
4x-y=11
Correct Answer:
(2,-3)
500
Simplify the trinomial
(3x^4+10x+9x^2+5x)/(3x)
Correct Answer
x^3-3x+5