Identifying Linear Functions
FREE POINT QUESTION !!!
Who is the principal of the SCHOOL?
What is
Mr. Larson
On which axis can we locate the X-INTERCEPT?
What is
the x-axis?
How do you find the SLOPE of a graph?
What is
rise / run
What kind of graph do we use when dealing with the "line of best fit" ?
What is a
SCATTERPLOT
What is STANDARD FORM?
What Is?
Ax + By = c
Fill in the blank:
A graph is a LINEAR FUNCTION if it forms a ____ line.
What is
a STRAIGHT LINE
What is the COORDINATE of an equation with the y-intercept of -2 ?
What is
(0, -2)
Find the slope of the following coordinates:
(18, 20) and (18, 31)
What is
m = undefined
Fill in the blanks:
Instead of using the "desmos" line of best fit equation, we can click the _____ button underneath the _____ sign on desmos graphing calculator.
What is
"we can click the SCATTERPLOT button underneath the PLUS/ADDITION sign on desmos graphing calculator."
What is the SLOPE of the line given the following equation:
y = -1/3x - 7
What is
m = -1/3
Fill in the blank:
In order to identify if a TABLE is linear or non-linear, we must see if both variables are ____.
What is
CONSISTENT
FREE POINT QUESTION !!!
What is our school's mascot?
What is
a warrior
What is the SLOPE FORMULA?
What is
y2 - y1 / x2 - x1
Fill in the blanks:
A scientist fit a linear equation to their data and calculated the CORRELATION COEFFICIENT to be 0.92. What does this number mean about the correlation among the data? It is a ____ and _____ correlation.
[ Hint: Think about our number line. ]
What is
a STRONG & POSITIVE correlation
Fill in the blank:
In order to convert an equation from STANDARD form to SLOLPE-INTERCEPT form, we must ALWAYS move our ___ variable term first.
What is
"We must ALWAYS move our X variable term first."
True or False:
The following set of ordered pairs IS NOT a linear function:
{(3, 8), (6, 16), (9,24), (12, 32)}
What is
FALSE
Find BOTH the X and Y Intercepts of the following equation:
2x + y = 200
[ Give your answers as COORDINATES! ]
What is
x-int: (100, 0)
y-int: (0, 200)
What is the slope of the line y = 5 ?
[ Hint: You may use desmos. ]
What is
m = 0
What is the DESMOS Formula to find the LINE OF BEST FIT?
What is
y1 ~ mx1 + b
Convert the following equation from STANDARD TO SLOPE-INTERCEPT FORM:
4x + 6y = 24
What is
y= -2/3x + 4
Which of the following IS a linear function?
What is
B
Find BOTH the X and Y Intercepts of the following equation:
5x - 8y = 40
[ Give your answers as COORDINATES! ]
What is
x-int: (8, 0)
y-int: (0,-5)
Find the RATE OF CHANGE of the following ordered pairs:
[ Simply your answer ]
(2, -19) and (6, 25)
What is
m = 11
Write the equation of the LINE OF BEST FIT that best represents the following table:
What is
y = 2.5x + 5
Ms. Gilliard is starting to charge students for each pencil that they borrow. She will charge students $2 per pencil and a flat fee of $5 that day.
Write a linear equation in SLOPE-INTERCEPT form that models this situation.
What is
y= 2x + 5