Vocabulary
How do we represent slope-intercept form?
What is y=mx+b?
What is the formula for slope?
What is y2-y1/x2-x1?
What is: Translation, Reflection, Rotation, Dilation
What is the slope of a line that passes through: (2,3) & (8,6)?
What is (1/2)?
For babysitting, Nicole charges a flat fee of $3, plus $5 per hour. Write an equation for the cost, y, after x hours of babysitting.
What is y=5x+3?
What variable represents the input?
What variable represents the output?
What is x?
What is y?
What does b stand for?
What is the y-intercept?
If I dilate a triangle by 1/2, will it reduce or enlarge?
What is reduce?
What is the rate of change of change of the linear function that has a graph that passes through the points: (2,9) & (-1,3)?
What is 2?
Rufus collected 100 pounds of aluminum cans to recycle. He plans to collect an additional 25 pounds each week. Write and graph the equation for the total pounds, y, of aluminum cans after x weeks.
What is y=25x+100?
If a graph is a straight line and goes through the origin it is?
What is Porportional?
Write in slope-intercept form:
4x-2y=12
What is y=2x-6?
What is slope-intercept form?
What is y=mx+b?
What is the slope of (4,-4) & (8,4)?
What is 0?
A video rental store charges a $20 membership fee and $2.50 for each video rented. Write a linear equation to model this situation. If 15 videos are rented, what is the revenue?
What is y=2.50x+20 and $57.50?
A set of numbers in parenthesis.
What is an ordered pair/ coordinate?
Write in slope-intercept form:
2y=-1x-8
What is y= (-1/2)x-4
What are the 3 B's?
Be on time, Be respectful, Be responsible
What is the slope of (-5,9) & (5,8)?
What is undefined?
Tim buys a new computer for his office for $1200. For tax purposes, he declares a linear depreciation (loss of value) of $200 per year. Let y be the declared value of the computer after x years. What is the slope of the line that models this depreciation?Find the vale of the computer after 4.5 years.
The point (0,0) on a graph.
What is the origin?
What does the m stand for?
What is slope?
First person to raise their hand gets these points
:)
What is the slope of (-19, 25) & (-118, 56)?
What is (-31/99)?
A caterer charges $120 to cater a party for 15 people and $200 for 25 people. Assume that the cost, y, is a linear function of the number of x people.
What is y=8x?