Linear Functions
The slope intercept form of a line.
What is y=mx+b?
Graphically, the solution to a system of equations is the point where the two lines this.
What is intersect?
x<y+2
y>x-3
What is both?
This is the quadratic formula.
What is x= [-b+/- √(b^2 - 4ac)]/2a
This is the factored form of x2 +2x +1
What is (x+1)2 ?
The slope formula
What is (y2-y1)/(x2-x1)?
These are the three methods we saw for solving systems of equations.
What is graphing, substitution, and elimination?
This technique tests the corner of the feasible regions to find a maximum or minimum value.
What is linear programming?
This is the equation for the axis of symmetry of a parabola.
What is x=-b/2a?
(x+3)(2x+1) is equal to this when expanded and simplified using FOIL.
What is x2+7x+3?
The point-slope formula.
y-y1=m(x-x1)
Check your solution by substituting in the value of x and y and see if both equations are still true.
If you are unsure what side of the boundary line to shade, you can always use a ______ point.
What is a test point?
This property can be used to find the solutions of a factored equation.
What is the zero product property?
The expression (x-1)2 expands to this.
What is x2-2x+1?
Parallel lines have the same this
Systems of equations can have three different categories of solutions: one, none, or this
What is infinitely many?
A less than or equal sign indicates a ________ boundary line.
What is a solid boundary line?
The x value of this point is always halfway between the zeros of a quadratic function.
What is the vertex?
Anther names for the zeros of a function.
What are the roots?
These two "R"s help with graphing a line.
What is rise over run?
This college course uses systems of equations and matrices to solve problems.
What is linear algebra?
The maximum or minimum values in a linear programming problem will always occur at the _________ of the graph of the feasible region.
What are the vertices?
The graph of a quadratic function is known as this.
What is a parabola.
This is the method we used to factor polynomials in class.
What is guess and check?