What is a Function?
A relationship where every input has exactly one output.
What is an Equation? Give an Example?
a statement in which two mathematical expressions are equal.
Examples:
2x=59
9x+5=6x+2
What is the slope intercept form of:
8y=2x+32
y=1/4x+4
Melanie bought Boba tea with extra Tapioca for $8.50 from the Taichi Tea shop. Her friend Julia also purchased the same tea but did not order additional Tapioca. Julia only paid $6.50 for her tea.
What is the cost per topping?
$2
equation: y=2x+6.50
What is the title of Lesson 4.3?
Representing Functons
What is Doman and Range?
Domain is X value.
Range is Y value.
What are two different ways to find the slope?
Y= Rise/Run
Slope formula (Y=Y2-Y1/X2-X1)
Slope triangles
What is the slope intercept form of:
10y=250x+1000
y=25x+100
A taxi charges a flat fee of $3.00 plus $2.00 per mile. If your total bill was $15.00, how many miles did you travel?
6 miles
What is one example of math you use everyday?
Posibble answer:
shopping, cooking, scheduling, organizing, gaming (needs good reason)
What are three different types of lines?
Response may include:
Vertical line, Horizontal line, Parallel line, Best fit line, Perpendicular lines and more.
What is the slope Intercept form? Name each variable (letter)
y=mx+b
M= slope
B= Y-intercept
What is the slope intercept form of:
9y=18x+90
y=2x+10
A freelance editor charges a flat $50 consultation fee plus $30 per hour spent editing a manuscript.
Write an equation to represent the total cost, C, for h hours of editing.
C=30h+50
h=number of hours
C= total cost
Who is considered the father of Algebra? (Will accept: the country, nationality,
Nationality: Persian
Country: Baghdad
What is a proportional equation?
y=kx
What is the slope of Horizontal lines and Vertical lines?
Horizontal:
- Slope is O
Vertical:
-Slope is undefined
What is the slope intercept form of:
13y=39x+260
y=3x+20
Two blogging sites offer different payment plans for featured writers
Write an equation for both sites.
A: y=10x+100
B: y=25x
What are two careers involving math?
Posible answers:
Meteorologist, Mathematics teacher, Accountant, Research analyst, Computer programmer, Financial analyst, Financial planner, Pharmacist or other.
What are the four corners of a coordinate plane called?
Quadrants
What are two different names for the input and output?
Input: x, Domain, Independent,
Output: y, Range, Dependent,
What is the slope intercept form of:
25y=500x+2500
y=20x+100
A family starts their road trip 50 miles away from home. They travel at a constant speed of 65 miles per hour on the highway.
Write a linear function that represents this relationship.
Label each variable.
y=65x+50
y=total distance
x=hours
Who's the most intelligent person in this Class? *not leterrary
Answer: Me
Always belive in your self and work harder to accomplish your goals.