All About Linear Functions
Intercepts
Writing Linear Functions
Slope
Graphing Linear Functions
Rando
100
What is the shape of the graph of a linear function?
Linear functions are those whose graph is a straight line.
100
What are the x and y-intercepts of the following graph?
x-intercept: 2.5
y-intercept: -2
100
Write the equation of a line that passes through (0, 3) with a slope of -4
y = -4 x + 3
100
Identify the slope of the linear equation
y = -x + 6
The slope is -1/1. Down one, right 1.
100
Halloween Fact:
What is the most hated Halloween candy according to a 2021 survey by CandyStore.com?
Candy corn!
Other "worst Halloween candy" picks include Circus Peanuts, wax Coke bottles, Necco Wafers, Tootsie Rolls, and black licorice.
100
What are the two forms we have learned to write a linear equation?
Slope Intercept form
Standard form
200
What is an x-intercept?
The point where a line crosses the x-axis.
200
TRUE or FALSE
A line x=-6 has a y-intercept
FALSE...it does not go through the y-axis
200
Write a linear function with a slope of -9 and a y-intercept of 5
y =-9x+5
200
Find the slope of a line that passes through the points (0, 5) and (2, 10)
m = 5/2
200
True or False:
A Linear Function can intersect the y-axis more than once
False, a linear function can only intersect each axis once
200
What does the line y = x look like?
Diagonal going up to the right
300
Function or Not?
x -1 2 5 2
y -2 7 16 25
Not a Function
300
What are the x and y-intercepts of the linear function
12x – 6y = –36
x-intercept:(-3,0)
y-intercept: (0,6)
300
What's Mr. B's dogs name? (Hint: Sly Stalone)
Rocky!
300
What is the slope of a horizontal line
0
300
True or False;
When graphing a line using it's slope, you want follow this pattern: (Run)/(Rise)
False, the patten is
(Rise)/(Run)
300
When is your test for Linear Functions?
Friday
400
In Slope Intercept Form, what letter represents slope and what letter represents the y-intercept?
m = slope
b = y-intercept
400
Fun Fact:
What is Julie's zodiac sign?
Scorpio
400
True or False
When calculating slope, you should always label your points (x1, y2) and
(x2, y1)
FALSE
Label them (x1, y1) and (x2, y2)
400
Graphe the line
x=3
Vertical line at the x-intercept of 3
400
True or False: When graphing lines in Standard Form, you must know the slope and a point.
False. You must use the x and y intercepts.
400
Graph the equation
10x + 15y = 45
show me!
500
What is a y intercept?
The point on a graph where the line crosses the y axis.
or
The coordinate where the x value is 0.
500
T or F
When graphing in Slope - Intercept form, y = mx + b, the y stands for the y-intercept
False
b stands for the y-intercept
500
Change 3x - 4y = 8 into slope-intercept form.
y = 3/4 x - 2
500
What is the formula used to find Slope?
the steepness of a line
500
Function or Not?
x 0 2 6
y -1 1 5
Function
500
What is the y - intercept of the linear function that passes through the points (-4, -3) and (6,2)
b = -1