Identify the slope of the following equation.
y = -x + 4
Slope: -1
What two things do we need to graph a linear equation?
Slope and y-intercept
The slope of a vertical line will always be ___________________.
Underfined
What is the y-intercept (b) from the table below?
y-intercept: 2
What form of equations do we use for linear relationships?
y = mx + b or slope intercept form.
Find the slope from graph
Slope= -4/2 which simplifies to -2
Peyton's cell phone company charges $35 for phone service plus $0.50 for each text message. Write the equation that represents this situation.
y = 0.5x +35
The slope of a horizontal line will always be ___________________.
Zero
What is the slope of the table below?
Slope: 6/4 which simplifies to 3/2
How do we find the slope in a graph? In a table?
Rise/Run and change in y over change in x
Find slope from graph.
slope= 2/3
A tuxedo rental service charges a $150 flat fee for a suit plus $50 per each additional day. Write the equation that models the situation.
y = 150 + 50x
What's another word for rate of change?
Slope
Write the equations for the table below.
y=3x+1
Where is the solution set located for this inequality?
In the shaded area
Find the slope of the line that includes the following points:
(3, -4) and (-1, 2)
Slope: -6/4 which simplifies to -3/2
If Josh pays $15 to sign up for his local gym and gets charged $10 per month, how much will he owe the gym after 5 months?
$65
What does linear mean?
Straight line or constant rate of change.
Write the equation of the graph below.
y=-3x+2
Explain how you would graph the equation
y = x + 5.
Graph the y-intercept at 5 on the y-axis. Then rise 1 and run 1 to get your next point.
Find the slope of the line that includes the following points. (-12, 9) (-12, -3)
Undefined
If Taylor Swift has 3 cats and gets 2 new cats every year, how many cats will she have after 6 years?
15 cats
What is the formula we use to find the slope between 2 points?
m = y2-y1/x2-x1
Write the equation of the graph below.
y=2x+3
What is the slope of the linear equation?
The slope is 3.