Basic Algebra
Systems of Equations
Quadratics
Probability and Stats
Linear Programming
100
What is the value of the expression when x=3 and y=-2: 2x-5y
16
100
Solve the system of equations -4x – 2y = -12 4x + 8y = -24
(6, -6)
100
For the following quadratic equation, state the y-intercept and whether or not the parabola opens up or down y = -x^2 -4x + 7
y-intercept: -7 The parabola opens down.
100
Find the median of the following data: 7, 8, 5, 14
7.5
100
-3x + 2x < 6
x > - 6
200
Solve for y 3x – 2y = 14
y = 3/2x - 7
200
Solve the system of equations x – y = 11 2x + y = 19
(10, -1)
200
Factor completely: 2a^2 - 5a - 3
(2a+1)(a-3)
200
How many outfit options can Sam choose from if he has 6 shirts, 2 hats, and 7 shorts? Each is only chosen once.
84
200
- p + 6p < 4 + 6p
p > - 4
300
f(x)=x^2-3x+3 Find f(-2).
13
300
Solve the system of equations -2x – 9y = -25 -4x – 9y = -23
(-1, 3)
300
Find the product (-2x - 5)(x + 3)
-2x^2 -11x - 15
300
How many ways are there to choose 3 people from a group of 7 and assign them three different jobs?
210
300
Solve the inequality -(2 + 2m) - 2 > 6
m < -5
400
Solve for x -3(x – 4) + 4x – 1 = 7 - 2x
x = -4/3 or -1.3333...
400
Solve the system of equations 5x + y = 9 10x – 7y = -18
(1, 4)
400
Find the x-intercept(s) for the quadratic equation y = x^2 + 2x - 35
(-7, 0) and (5, 0)
400
What percent of data is within 1 standard deviation of the mean?
64%
400
What is the y-intercept and y-intercept of the following equation: 2x+3y=6
x-intercept: (3, 0) y-intercept: (0, 2)
500
Write the slope-intercept form of the line going through the points (-2, 6) (1, 3)
y = -x + 4
500
Solve the system of equations 3x – 2y = 2 5x – 5y = 10
(-2, -4)
500
Solve the following equation. y = x^2 - 2x + 1
(1, 0)
500
What is the z-score if the average on a test is a 75, the student scores an 70, and the standard deviation is 10?
-1/2 or -.5
500
-2>x Open or closed circle? Shaded to left or right?
Open Circle Shaded to left.
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