What line has a 0 slope?
horizontal
What is the definition of the y-intercept?
the point where a line crosses the y-axis
What are the three types of solutions for a system of linear equations?
One solution
No solution
Infinite solutions
What is slope-intercept form?
y = mx+b
What is the solution?

(-1,1)
If a line rises from left to right, what type of slope does it have?
positive
What are equivalent equations?
equations that have the same solution(s)
Does the system have one solution, no solution, or infinite solutions?
y = -5x + 4
y = -3 + (-5x)
no solution
In y=mx+b, what letter represents the slope?
m
How many solutions are there?

no solutions
If a line goes down from left to right, what type of slope does it have?
negative
What is two or more equations in the same variable that are solved at the same time
a system of equations
How many solution(s) does the system have?
y = -2x +1
y = 1 + (-2x)
infinite solutions
Write the equation of a line with a slope of 2 and a y-intercept of 3.
y = 2x + 3
What is the solution?

infinitely many solutions
What is the slope formula?
y2 - y1/x2 - x1
rise/run
What are lines that lie on top of each other?
coinciding lines
How many solution(s) does the system have?
y = 3x + 5
y = 2x + 5
one
Describe the process for graphing this equation:
y = x + 2
Graph the y-intercept first.
Then from the y-intercept go up 1 and right 1 to find another point.
What is the solution?
Infinitely many solutions
A vertical line has what type of slope?
undefined
What are lines that never cross?
parallel lines
How many solution(s) does the system have?
y = 2x + 5
y = 5 - 2x
one
How can you identify a linear function from a graph?
It is a straight line that passes the Vertical Line Test
What would a systems of equations with no solution look like on a graph?
parallel lines