Podcast
Questions and Answers
What is the formula for calculating the slope of a line?
What is the formula for calculating the slope of a line?
- m = (y2 - y1) / (x2 - x1) (correct)
- m = (x2 - x1) / (y2 - y1)
- m = (y1 + y2) / (x1 + x2)
- m = (x1 + x2) / (y1 + y2)
If the coordinates of Point 1 are (3, 6), what are the values of x1 and y1?
If the coordinates of Point 1 are (3, 6), what are the values of x1 and y1?
- x1 = 6, y1 = 3
- x1 = 2, y1 = 4
- x1 = 3, y1 = 6 (correct)
- x1 = 4, y1 = 2
What is the y-intercept of the function y = 2/5x + 3?
What is the y-intercept of the function y = 2/5x + 3?
- 3 (correct)
- 2
- -2
- -3
If a line has a slope of -3/4, what is the change along the y-axis if there is a change of 4 units along the x-axis?
If a line has a slope of -3/4, what is the change along the y-axis if there is a change of 4 units along the x-axis?
In the function y = 3x - 5, what is the slope of the line?
In the function y = 3x - 5, what is the slope of the line?
For the given points (-2, 1) and (4, -3), what is the slope of the line passing through these points?
For the given points (-2, 1) and (4, -3), what is the slope of the line passing through these points?
What would be the result if the function y = -2x + 7 was replaced with y = -2x + 4?
What would be the result if the function y = -2x + 7 was replaced with y = -2x + 4?
If a line has a negative slope, what can be said about its direction?
If a line has a negative slope, what can be said about its direction?
What happens to the value of 'm' when a line becomes steeper?
What happens to the value of 'm' when a line becomes steeper?
In a graph, how can you determine if a line is parallel to the x-axis?
In a graph, how can you determine if a line is parallel to the x-axis?
What does a function do with each value fed into it?
What does a function do with each value fed into it?
If a machine multiplies each value by 2 and adds 1, what would be the result if the value 3 is fed into the machine?
If a machine multiplies each value by 2 and adds 1, what would be the result if the value 3 is fed into the machine?
What is the purpose of a function in relation to the values fed into it?
What is the purpose of a function in relation to the values fed into it?
In the Celsius to Fahrenheit conversion function, what is the result when the value 0 is input?
In the Celsius to Fahrenheit conversion function, what is the result when the value 0 is input?
What is the key characteristic of a function in its relationship between inputs and outputs?
What is the key characteristic of a function in its relationship between inputs and outputs?
What does it mean for a variable to be independent in mathematics?
What does it mean for a variable to be independent in mathematics?
When graphing a function by plotting points, what do the x- and y- coordinates represent?
When graphing a function by plotting points, what do the x- and y- coordinates represent?
In the function y = 1/2x^2 - 4x + 6, which term affects the shape of the graph the most?
In the function y = 1/2x^2 - 4x + 6, which term affects the shape of the graph the most?
What does it mean if a function is linear?
What does it mean if a function is linear?
How many values are needed to create at least two coordinate pairs when graphing a function?
How many values are needed to create at least two coordinate pairs when graphing a function?
What is the slope of the line passing through the points (-1, 3) and (5, 7)?
What is the slope of the line passing through the points (-1, 3) and (5, 7)?
If the y-intercept of a line is -4, what is the equation of the line if its slope is 3?
If the y-intercept of a line is -4, what is the equation of the line if its slope is 3?
In the function $y = -2x + 6$, what is the y-coordinate when x = -3?
In the function $y = -2x + 6$, what is the y-coordinate when x = -3?
If a line has a slope of 0, what can be said about its direction?
If a line has a slope of 0, what can be said about its direction?
What are the coordinates of a point on the line y = 2x + 8?
What are the coordinates of a point on the line y = 2x + 8?
