Slope
Y-intercept
Equations
Vocabulary
Mystery
100
What is the slope formula?
m=(Y2-Y1)/(X2-X1)
100
Define y-intercept
The y-intercept is where the line crosses or intersects the y-axis
When x is zero
Where the line starts/begins
100
What are the three types of equations (the forms) we have learned about?
Slope-Intercept Form
Point-Slope Form
Standard Form
100
A function whose graph is a straight line is...?
Linear
100
True or False:
Ketchup was once sold as medicine.
True
200
Use similar triangles to find the slope of this line.
m=2
v/h=2/1
200
What is the y-intercept of the graph below?
b=-6
200
Write the equation of this line.
y=-5/2x+3
200
A linear relationship where the graph does not pass through the origin is called...?
Non-proportional
200
How many planets are there in the solar system?
8
300
What is the slope of the table?
m=1/2
300
What is the y-intercept of the table?
b=-4
300
Write the equation for the table below.
y-10=-5(x+2)
300
A pair of real numbers in the form (x,y) used to locate a point on a coordinate plane is an...?
Ordered pair
300
Name three continents
North America, South America, Europe, Asia, Africa, Australia, Antarctica
400
Find the slope for the line that passes through the following points:
(9,-18) and (-3,-26)
m=2/3
400
Find the y-intercept by converting the equation from Standard Form into Slope-Intercept Form.
x+3y=105
b=35
400
Create an equation that represents the following scenario and answer the question that follows:
Imagine you run a small bookstore where you sell two items: books and notebooks. The price of each book is $5, and the price of each notebook is $7. Today you made a total of $109. If you sold 12 books, how many notebooks did you sell?
5x+7y=109
y=7
400
A measure of how one quantity changes in relation to another, equivalent to the slope in a linear relationship is the...?
Rate of change
400
In what year was slavery abolished?
1865
500
Find the slope by converting the equation from Standard Form into Slope-Intercept Form.
8x-2y=24
m=4
500
Find the y-intercept by converting the equation from Point-Slope Form into Slope-Intercept Form.
y+18=2/3(x-9)
y=2/3x-24
b=-24
500
Write the equation for the line that passes through the following points:
(-15,-3.75) and (89,-3.75)
y=-3.75
500
What do we call it when values are determined by subtracting consecutive y-values in a table when the x-values are consecutive integers.
First differences
500
What three numbers have the same answer when added together and when multiplied together?
1,2,3