Vocabulary
What are the two variables associated with proportional situations?
What is independent and dependent.
$15 a month plus free texts plus $0.20 per minute of call time.
What is y = .20x + 15
What is true about slopes from similar right triangles on the same diagonal line?
What is they are the same.
Jessica charges $40 to braid hair.
What is y = 40x
A direct variation is a proportional relationship.
What is TRUE.
What is the slope formula in y-intercept form?
What is y = m + b
Moe's Lawn Service charges $6 a lawn and $4 for gas. What would y be if x is 3?
What is y=22
Triangle RVT have ordered pairs R(-11,6), V(-11,2) and T(-9,2).
Triangle RBT have ordered pairs R(-11,6), B(-11,-4), and S(-6,-4).
Write the correct proportion to show that the right triangles are similar.
What is (6-(-4))/(-11-(-6))=(6-2)/(-11-(-9))
Robert buys 20 Black Panther comic books that cost $3.50 each.
What is y = 3.50x
True or False: proportional relationships are not a straight line.
What is false. Proportional relationships are linear.
What is a unit rate?
What is the amount per one?
Bill pays $4.00 an hour for parking fees and plus an additional charge of $10.00 to enter the game.
What are two points that would be true for this relationship?
What is teacher discretion.
Teacher Question- Pull up in google
What is teacher discretion
How can you prove the 2y=30x is proportional? Write the equation.
What is divide by 2 on both sides. y=15x.
True or False: "b" represents base in y = mx + b
What is false. B represents the y-intercept
The origin is...
What is the center of a coordinate plane (0,0).
Graph the equation y=2/3x+4
What is teacher discretion
Teacher Question- Pull up in google
Heather’s weekly pay is directly proportional to the number of hours she works at the record store. Her pay is $174 for 24 hours of work. Find the amount of pay for 40 hours of work.
What is $290
True or False: Do lines on a graph have to start at (0,0) to be proportional?
What is true
Constant "K" is .....
What is the rate of change
The entrance fee for Mountain World theme park is $20. Visitors purchase additional $2 tickets for rides, games, and food.
What is y = 2x + 20
How do you find the slope of a line when given two coordinate points?
(y2-y1)/(x2-1)
Write an equation for the ordered pairs
{(0,0),(1,0.5),(2,1),(4,2)}
What is y=1/2x
True or False: To find a unit rate on a table, you should add all of the data on the table together and divide by 2.
What is false