RATIONAL BASICS
What are the excluded values for the expression (x+2)/(x-5)?
What is x = 5?
Add: {2}/{x} + {3}/{x}
What is {5}/{x}?
What is the quotient when you divide (x^2 + 5x + 6) by (x + 2)?
What is x + 3?
In a right triangle, if the opposite side is 3 and the hypotenuse is 5, what is sin θ?
What is {3}/{5}?
What is the mean of the data set: 2, 4, 6, 8, 10?
What is 6?
Simplify: {6x^2}/{9x}
What is {2x}/{3}?
Multiply: {x}/{3} * {6}/{x}
What is 2?
Divide: (4x^2 - 8x) / (2x)
What is 2x - 4?
If cos A = {4}/{5} in a right triangle, what is the adjacent side when the hypotenuse is 10?
What is 8?
What is the median of: 1, 3, 5, 7, 9, 11?
What is 6?
Find all excluded values for {x + 1}/{x^2 - 4}
What are x = 2 and x = -2?
Solve: {x}/{4} = {3}/{2}
What is x = 6?
Use long division to divide x^3 - 2x^2 + x - 2 by (x - 2)
What is x^2 + 1?
In triangle ABC, if A = 60°, B = 45°, what is angle C?
What is 75°?
What is the range of the data set: 12, 15, 18, 22, 25, 30?
What is 18?
Simplify: {x^2 - 9}/{x + 3}
What is x - 3?
Divide: {x^2}/{5} / {x}/{10}
What is 2x?
What is the remainder when x^3 + 2x^2 - x + 1 is divided by (x + 1)?
What is 3?
If sin θ = {7}/{25}, what is cos θ?
What is {24}/{25}?
What is the standard deviation of the data set: 5, 21, 49, 20, 18?
What is 22.6?
Find the excluded values for {2x - 1}/{x^2 + x - 6}
What are x = 2 and x = -3?
Solve: {2}/{x-1} + {1}/{x+1} = {5}/{x^2-1}
What is x = 2?
Divide using long division: (2x^3 - 3x^2 + 4x - 5) / (x - 1)
What is 2x^2 - x + 3 + {-2}/{x-1}?
In triangle ABC, if a = 6, b = 8, and C = 90°, find side c using the Pythagorean theorem.
What is 10?
For the data set 103, 121, 143, 167, 189, what is the standard deviation? (Round to nearest tenth)
What is 34.5?