Vocabulary
The graph of the absolute value of a linear function in two variables is V-shaped and symmetric about this vertical line
What is the axis of symmetry?
This is when a dashed boundary line is used
What is when the inequality is greater than and the points on the line do not satisfy the inequality?
Absolute value is always....
What is positive?
A relation
What is a set of ordered pairs?
This student has a dog named Tiger and always has a beaming smile when they talk about him?
Who is Matteo?
f(x)=lxl is the simplest example of this
What is an absolute value function?
This is when the boundary line is solid
What is when the inequality is less than or equal to?
Describe how you would graph f(x)=lxl-8
What is down 8 on the y-intercept with a slope of +1. The lines are solid.
Domain
What are the set of x-coordinates?
Always enters my room by saying, "Hey, What's up Mrs. Gibbons? How's it going?"
Who is Dillon?
This is an inequality in two variables whose graph is a region of the coordinate plane bounded by a line
What is a linear inequality?
Graph 9y less than or equal to 12x
What is is goes through the origin and the equation is y is less than or equal to 4/3X? (It is shaded to the right of the solid boundary line)
This is the parent function of y=alx-hl+k
What is y=lxl?
The most accurate trend lines
What is the line of best fit?
This student plays guitar, is very mechanical, is always polite and kind, and has the best long hair!
Who is Eddie?
This is the line that separates the coordinate plane into two half-planes
What is the boundary line?
Write an inequality:
An air cargo plane can transport as many as 15 regular shipping containers. One super-size container takes up the space of 3 regular containers.
What is x+3y is less than or equal to 15?
(answers may vary)
Name the vertex of the equation:
y=lx-5l+2
What is (5,2)?
A translation
What is the shift of the graph horizontally, vertically or both?
Is working on getting another car, can do calculations in his head without the use of a graphing calculator and is always very polite?
Who is David?
This is the way to check which part of the boundary you will or will not shade
What is picking a test point?
Explain the usefulness of two-variable inequality graphs.
What is that two-variable inequalities are best to show a visual representation because the solid and dashed line, as well as the shading make it useful in a real-world presentation?
The characteristic of the equation that results in the V shape opening downward
What is when the sign of the coefficient of the absolute value term is negative?
Standard Form Equation
What is Ax + By= C?
(The equation has both variables and no constants on one side.)
This student is very handy and mechanical, always diligent with their work, soft spoken yet strong and confident when they do speak.
Who is Angelina?