What is the solution to the equation 4x - 9 = 15?
Algebra
Question · Easy
Stats test: find the median
Short
What is the slope of the line passing through the points (1, 3) and (4, 12)?
Simplify the expression: (3x^2)(4x^5)
What is the value of 2a + 3b when a = -4 and b = 5?
Which inequality represents the solution to 2x + 5 < 13?
Would you rather: marbles
Simplify: 5(2x - 3) - 3(x + 4)
What is the x-intercept of the line given by the equation 3x + 2y = 12?
What is the solution to the system of equations: x + y = 10 and x - y = 4?
Which of the following is the factored form of x^2 - 9?
Factor it
What are the solutions to the quadratic equation x^2 - 16 = 0?
What is the y-intercept of the line y = -2x + 7?
If f(x) = 2x^2 - 5, what is the value of f(3)?
Functions
Which set of ordered pairs represents a function?
What is the domain of the linear function f(x) = 3x - 1?
What is the value of g(0) for the exponential function g(x) = 4^x?
The height of an object in feet after t seconds is given by h(t) = -16t + 80. What is h(2)?
Which equation represents a linear function with a slope of -3 and a y-intercept of (0, 5)?
A population model is given by P(t) = 500(1.04)^t. What is the initial population at t = 0?
How does the graph of g(x) = f(x) + 4 compare to the graph of f(x)?
Given f(x) = x^3 + 3, what is f(-2)?
What is the mean of the data set: 4, 8, 12, 16, 20?
Statistics And Probability
What is the median of the ordered data set: 3, 7, 9, 15, 18, 22?
What is the range of the data set: 14, 22, 5, 31, 19?
What is the theoretical probability of rolling an even number on a standard six-sided die?
What is the mode of the data set: 5, 8, 8, 12, 14, 14, 14, 20?
A scatter plot shows data points where y tends to increase as x increases. What type of association does this represent?
What is the simplified value of sqrt(49)?
Number And Quantity
What is the numerical value of 3^4?
Which of the following numbers is irrational?
What is 0.00045 written in scientific notation?
What are the solutions to the absolute value equation |2x - 3| = 7?
Question · Medium
Solve the system of equations: 2x + 3y = 12 and x - y = 1.
Which expression is the completely factored form of x^2 - 7x + 12?
What are the solutions to the quadratic equation 2x^2 + 5x - 3 = 0?
What is the equation of the line parallel to y = 4x - 1 that passes through the point (2, 5)?
What is the equation of the line perpendicular to y = -2x + 6 that passes through (4, 1)?
Solve the compound inequality: -3 <= 2x + 1 < 9
Simplify the rational expression: (x^2 - 16) / (x^2 - 4x)
Solve the cylinder volume formula V = pi * r^2 * h for h.
Expand and simplify: (2x - 5)^2
Which point lies in the solution set of the system of inequalities y > x - 2 and y < -x + 3?
Factor completely: 3x^3 - 12x
How many real solutions does the quadratic equation 3x^2 - 2x + 5 = 0 have?
A student bought 3 notebooks and 2 pens for 12 dollars. Another student bought 2 notebooks and 4 pens for 12 dollars. What is the price of 1 notebook?
What is the slope-intercept form of the equation 4x - 2y = 10?
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