Linear Functions
The domain and range of a function
Domain: What is all the x-values?
Range: What is all the y-values?
Slope-intercept form
Steps you take to graph y = -2/3x + 3
What is plotting the y-intercept, then using the slope as a staircase to the next point?
From a graph, the solution to a system of linear equations is where they_.
What is intersect?
The slope of y=2.
What is 0?
f(x)=-4x+1. f(11/12) =
What is -8/3?
b in slope-intercept form.
What is the y-intercept?
Steps taken to find the slope-intercept form of a line that passes through (-8,3) with a slope of -2.
What is plugging the point and slope into point-slope form, then simplifying to slope-intercept form?
From a graph, the solution to a system of linear inequalities is where_
What is the area where their shaded regions overlap?
The slope of x=2.
What is DNE?
h(x) = |9 - 3x|. h(x) = 39. x=
What is -10, 16
The slope formula.
What is m = (y2 - y1) / (x2 - x1)?
Steps taken to find the slope-intercept form of a line that passes through (-8,3) and is parallel to x + y = 8.
The elimination method to solve a system of equations.
What is multiplying the equations until either the x or y terms cancel when they're added?
For < or >, a _____ line is used.
What is dotted/dashed?
The domain of y = 2x + 1
What is (-infinity, infinity)?
Point-slope form.
What is y - y1 = m(x - x1)?
The steps taken to solve the system using elimination:
x - 2y = 8
6x - y = -7
What is multiplying the bottom by (-2), adding the equations together, solving for x, then plugging in x to solve for y?
Parallel lines have ______ slope.
What is the same?
5/2x - 4y = -8 in slope-intercept form.
What is y = 5/8x + 2?
The solution to the system
2x+3y=-35
8x-y=-23
What is (-4,-9)?
Perpendicular lines have ________ slopes.
What is opposite reciprocal?