Is the following relation a function?
x = {1, 2, 1}
y = {5, 7, 9}
What is no?
100
Evaluate 5x + z(2y - 3) if x = 2.2, y = -4, and z = 5.
What is -44
100
Find the x-intercept and y-intercept.
y = 3x - 9
What is 3; -9
100
Solve
y = 3x + 4 and
y = -2x - 6
What is (-2, -2)
100
The cost of 50 shares of 3M (MMM) stock is $106.25. How many shares can you buy with $425?
What is 200 shares?
200
Which quadrant does (2, 0) fall into?
What is none or x - axis?
200
Simplify
7(3x - 4y) + 2(4x + 3y)
What is 29x - 22y
200
Find the slope of the line that passes through (1, -7), (-3, 5).
What is -3
200
y = -4x - 5 and
y - 5x = -14
What is (1, -9)?
200
24 students in a class took an algebra test. If 18 students passed the test, what percent do not pass?
What is 25%?
300
What is the product?
(x - 15)(x - 15)
What is x^2 - 30x + 225?
300
Solve for c
4(c - 5) - 2(3c + 5) = 6
What is -18
300
The table shows the weight in pounds of a Chihuahua for the first four weeks after it's birth. Time (wk) = {0, 1, 2, 3, 4} and Weight(lbs) = {2.0, 2.5, 3.25, 4.7, 5.6}
What is the average rate of change between week 1 and 3?
What is 1.1 lb/wk
300
2a - 3b = -5 and
2a + 3b = 13
What is (2, 3)?
300
Have you had trouble with a computer lately? A recent study indicated that 2 out of 5 families run into trouble with a computer in the course of a year. If 3000 families were surveyed, how many families would have run into trouble with the computer?
What is 1200 people?
400
Factor completely.
12x^2 + 4x
What is 4x(3x^2 + 1)?
400
|x + 11| = 21
What is {-32, 10}
400
Write an equation of a line that passes through
(-3, -14), (1, -2)
What is y = 3x - 5
400
Solve
-5a + 2b = 16 and
4a - 5b = -6
What is (-4, -2)?
400
A pound of rye grass seed covers 120 square feet of lawn. How many pounds are needed to seed a lawn measuring 60 feet by 50 feet (3000 square feet)?
What is 25 pounds.
500
Factor Completely.
y^2 + 12y + 27
What is (y + 3)(y + 9)
500
Solve the inequality
21< -3(2y + 1)
What is y < -4
500
Write an equation of the line that passes through
(-4, 2), (2, 5).
What is y = 0.5x + 4
500
5a + 15b = -24 and
-6b - 2a = 28
What is no solution?
500
In a school, 25 % of the teachers teach basic math. If there are 50 basic math teachers, how many teachers are there in the school?