Linear Systems of Equations
Radicals and Complex Numbers
Word Problems
Functions
Polynomials and Probability
100
Name the two methods used to solve linear systems of equations
What is substitution and elimination?
100
find the square root of -1: sqrt(-1)
What is i
100
The weekly fee for staying at the Pleasant Lake Campground is $20 per vehicle (v) and $10 per person (p). Last year, weekly fees were paid for v vehicles and p persons. Which of the following expressions gives the total amount, in dollars, collected for weekly fees last year?
What is 20v +10p?
100
f(x) = 3x; Solve for f(6).
What is 18?
100
the expression (3x+4y)(3x-4y) is equal to
What is 9x^2 - 16y^2?
200
Solve for x. The inequality 6(x-2) > 7(x-5)
What is x < 47
200
Solve 3/sqrt(2)
What is 3*sqrt(2)/2?
200
Marlon is bowling in a tournament and has the highest average after 4 games, with scores of 210, 230, 250, and 270. In order to maintain this exact average, what must be Marlon’s score for his 5th game?
What is 240?
200
Find the domain of this function y = 3x - 2
What is all reals? (also acceptable, negative infinity to positive infinity)
200
(a+2b+3c) - (4a+6b-5c)
What is -3a-4b+8c?
300
7x + 3y = 8 6x - 3y = 5 Find the value of x-y
What is 2/3?
300
Solve (3i + 5) - (4 -6i)
What is 1 + 9i?
300
Joelle earns her regular pay of $7.50 per hour for up to 40 hours of work in a week. For each hour over 40 hours of work in a week, Joelle is paid 1 times her regular pay. How much does Joelle earn for a week in which she works 42 hours?
What is $322.50?
300
If r = 9, b = 5, and g =−6, what does (r + b − g)(b + g) equal?
What is -20?
300
A bag contains 12 red marbles, 5 yellow marbles, and 15 green marbles. How many additional red marbles must be added to the 32 marbles already in the bag so that the probability of randomly drawing a red marble is 3/5
What is 18?
400
Find the solution of this system of equations -2x + 3y = -1 2x + 5y = 25
What is x = 5; y = 3?
400
solve 4sqrt(3)*3sqrt(3)
What is 36?
400
A total of 50 juniors and seniors were given a mathematics test. The 35 juniors attained an average score of 80 while the 15 seniors attained an average of 70. What was the average score for all 50 students who took the test?
What is 77?
400
The expression −8x^3(7x^6 − 3x^5) is equivalent to:
What is -56x^9 + 24x^8?
400
In the school cafeteria, students choose their lunch from 3 sandwiches, 3 soups, 4 salads, and 2 drinks. How many different lunches are possible for a student who chooses exactly 1 sandwich, 1 soup, 1 salad, and 1 drink?
What is 72? (different lunches)
500
For what value of a would the following system of equations have an infinite number of solutions? 2x - y = 8 6x - 3y = 4a
What is a = 6?
500
Solve (-3 + 4i)*(6 + 5i)
What is 9i - 38?
500
How many liters of a 25% saline solution must be added to 3 liters of a 10% saline solution to obtain a 15% saline solution
What is 1.5 liters? (3/2 liters is also acceptable)
500
In the xy-plane, the graph of y = 3x^2 −14x intersects the graph of y = x at the points (0,0) and (a,a). Find the value of a.
What is a = 5
500
A district meeting is made of 25% parents, 50% teachers and the remaining 20 individuals are students. How many more teachers are there than students?
What is 20? (40 teachers - 20 students)
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