slope
What are the 4 types of slope?
negative, positive, zero, and undefined.
what is y-intercept?
a point on a graph where a line crosses the y-axis
what is a equation is written as?
two expressions, connected by an equals sign ("=").
What does a system of equations do?
seeks common solutions to the equations.
What are the 5 things on a graph?
the cartesian plane for space, the x and y-axes, the points and lines, and the labels of the axes
what dose slope equal?
it equals rise and run.
what is the formula for y-intercept?
y=mx+b
How many types of equations are there?
there are 5 different equation
How do you classify a system of equations?
If the slopes are the same but the y-intercepts are different, the system is inconsistent.
what do graphs repersent
what is one way to calculate the slope?
You can pick any two points on a line to calculate the slope.
How do you find the y-intercept?
set x = 0 and solve for y
How are equations made?
An equation combines two expressions connected by an equal sign (“=”).
How many solutions does the system of equations have?
If the slopes are the same but the y-intercepts are different, the system has no solution.
Why are graphs used?
to present data that are too numerous or complicated to be described adequately in the text and in less space.
how to know if the slope it positive?
If the line is going up, from left to right, the slope is positive.
Is B always the y-intercept?
B is the y-intercept of the line.
What is PEMDAS
an acronym for the words parenthesis, exponents, multiplication, division, addition, subtraction.
What are the rules of the system of equations?
any solution to the system must satisfy all equations within it
Do you graph x-axis or y-axis first?
X-axis
how can you double check you answer?
You can double check your answer by trying different points on the line.
What does Y mean in slope?
y represent the distance of the line from the x-axis and y-axis
Do you multiply or divide first?
division can be done before multiplication
How to solve system of equations?
use either the substitution method or the elimination method
What are the 5 essentials of graphing?
A title which describes the experiment. The graph should fill the space allotted for the graph. Each axis should be labeled with the quantity being measured and the units of measurement. Each data point should be plotted in the proper position. A line of best fit.