What makes a slope negative.
When two variables are negatively related.
What does the y-intercept mean in math?
the y-coordinate of a point where a line, curve, or surface intersects the y-axis.
Equations are?
a mathematical statement that shows that two mathematical expressions are equal.
The rules system of equations.
For a system to have a unique solution, the number of equations must equal the number of unknowns.
3 common types of graphs?
line graphs, bar graphs, pie charts, scatter plots and histograms.
The slope intercept formula?
y = mx + b.
where is the y intercept in y=mx+b
It is b.
What are 3 ways to solve equations?
graphing, substitution, and elimination.
The three types of system of equations.
Dependent, independent and Inconsistent.
The four parts of a graph.
X axis, Y axis, the source, and the legend.
What makes a slope unidentified?
if the line is vertical.
Which y-intercept is easiest to find?
point/coordinate form.
The 3 types of equations?
point-slope form, standard form, and slope-intercept form.
the 3 methods of system of equations?
graphing, substitution method, elimination method.
3 necessary things for a graph?
A caption, axes and scales, symbols, and a data field.
Slope is what?
The slope of a line is a measure of its steepness.
Y-intercept is?
The place where a line or curve crosses, or touches, the y-axis
The 4 basic rule in solving equation?
Adding, Substracting, multiplication and division.
System of equations are.
two or more equations to be solved together.
the 5 major rules of graphing?
Check the data, Explain encodings, Label axes, Include units, and Keep your geometry in check.
Slopes come in 4 different types?
negative, positive, zero, and undefined.
How do you calculate the y-intercept?
set x = 0 and solve for y.
linear equation are.
an algebraic equation of the form y=mx+b. involving only a constant and a first-order
A system of 3 linear equations?
An ordered triple (x, y, z) that makes ALL THREE equations true.
Graphing is?
a pictorial representation or a diagram that represents data or values in an organized manner.