Inequalities
The symbol meaning “less than.”
What is <?
A relation where each input has exactly one output.
What is a function?
The slope-intercept form of a line.
What is y=mx+b?
The standard form of a quadratic equation.
What is ax2+bx+c?
These are all integers, fractions, and terminating/repeating decimals.
What are rational numbers?
A dashed line is used when the inequality has these symbols.
What is < or >?
This test is used to determine if a graph represents a function.
What is the Vertical Line Test (VLT)?
The slope of y=3x−5.
What is 3?
DAILY DOUBLE
The name of the graph of a quadratic function.
What is a parabola?
A number that cannot be written as a fraction.
What is an irrational number?
For y>x+2, this is where you shade.
What is above the line?
A set of ordered pairs where no x-value repeats
What is a function?
The y-intercept of y=−2x+6.
What is 6?
The vertex of a parabola represents this point.
What is the minimum or maximum?
This is the point where a graph crosses the y-axis.
What is the y-intercept?
DAILY DOUBLE
True or False... For the inequality y≥x−3, the boundary line should be solid.
What is true?
If f(x)=3x+2, this is the value of f(4).
What is 14?
The average rate of change.
What is slope?
A value that makes an equation true.
What is a solution?
When two lines on a graph meet at a single point, that point is called the ______ of the system.
What is the solution (or point of intersection)?
The inequality representing all numbers greater than or equal to -3.
What is x≥−3?
If f(x)=2x+3, find f(4).
What is 11?
The equation of a line with slope 2 and y-intercept -1.
What is y=2x-1?
True or False: If the coefficient of the x2 term is positive, the parabola opens upward.
y=ax2+bx=c
What is true?
This property states that changing the order of addition does not change the sum.
For example, a+b = b+a.
What is the Commutative Property of Addition?