What is the definition of a function
A relation where every input has exactly one output.
What form of equations do we use for lines?
y = mx + b or slope intercept form.
Solve:
3x - 2 = -14
x = -4
Write the equation of a line with a slope of -4/5 that goes through the origin.
y = -4/5x
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. Movement could also be 1 down and 3 to the left.
What is the slope of this equation?
x = 5
Undefined Slope
Write an equation for a line with the following points.
(0, -2) and (3, 0)
y = 2/3x - 2
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.
Graph the following equation. 8x + 4y = 16
Should be rewritten as y = -2x + 4 and then graphed.
Write an equation for a line with the following two points. Find the slope and y intercept. (15, -10) (5, 10)
slope = -2 y intercept = 20
y = -2x + 20
Is x = 2 a solution to the equation 2(x - 5) + 3 = 13 ?
No it is not a solution.
What is the equation of the line with a slope of 0 that goes through the point (0, 10)?
y = 10