What form of an equation do we use to graph a linear equation?
the slope-intercept form y = mx + b
What is slope intercept form?
y = mx + b
What is the formula for finding the slope between two points?
What is y2 - y2 / x2 - x2 ?
What form of equations do we use for lines?
y = mx + b or slope intercept form.
When graphing linear equations, where do we begin?
We begin at the y-intercept.
Find the slope between the two points A(2,4) and B(-1,-4).
What is 8/3?
Write the equation of a line with a slope of -3 and a y-intercept of 50.
What y = -3x + 50?
Use words to describe what slope is.
Possible answers: rate of change
the change in y over the change in x as you move from the right to the left on a graph
Describe how you would graph the following equation. y = 1/3x + 4
Graph should start with the point at (0, 4) Movement should be 1 up and 3 to the right continuing to another point.
What is the slope of this equation?
y=-4x + 5
What is -4?
Write an equation for a line with the following slope and points.
m = 2/3 and (0, -2), (3, 0)
y = 2/3x - 2
Describe how you would graph the following equation. y = -2
Graph should begin with a point on the y-axis at -2. A horizontal line should be drawn through -2 extending on both sides of the y-axis.
The slope of a line that passes through (0.5, -2) and (5.5, 1)
What is 3/5?
The equation of a line (in slope-intercept form) that passes through (0, 4) and (3, 10)
What is y = 6x + 4?
How do you make a table of values for the following equation. y = 1/2x -5
Table should list four numbers chosen for x and then solve for y by multiplying by 1/2 and subtracting 5.
The slope of a line of the equation 4x + 3y = 8
What is -4/3?
The amount y(in dollars) of money you have left after playing x games at a carnival is y = -0.75x + 10. How much money do you start with and how much does each game cost?
You start with $10 and each game costs $0.75.