Definitions
Slope
Y-Intercept
Proportional vs Non-Proportional
Mystery
100
the "m" represents
What is slope
100
what is the slope : y = -5x + 15
What is -5
100
identify the y-intercept y = 5x + (-3)
What is -3
100
***DOUBLE JEOPARDY*** Charles charges $50 to design shoes plus $5 one time fee for ink. Write the equation that represents this relationship
y=50x+5
100
Give the domain of the relation {(2,5)(4,7)(0,2)(9,-1)}
What is (2,4,0,9)
200
the "b" represents
What is the y-intercept
200
Give the slope of the graph. Reduce.
what is 1/3
200
identify the y intercept (9,8) (0,-12)
What is -12
200
Dylan makes $336 for 32 hours of work. How much does he make per hour?
What is $10.50
200
Give the range of the graph below
What is (-6,-2,0,4,5)
300
Where the line crosses the y-axis
What is the y-intcercept
300
Find the slope (5, -6) and (10,24)
What is 6.
300
What is the y intercept of a proportional graph?
What is 0.
300
Michael drove 350 miles to his grandmother’s crib in 4.5 hours. What is the constant? Write an equation that represents this relationship.
What is 77.8 mph, y=77.8x
300
Which of the following is NOT a direct variation?
Graph B
400
***DOUBLE JEOPARDY***
the constant is also known as the......(hint: other three names)
What is rate of change, unit rate or slope
400
What is the unit rate if 5 bananas cost $4?
What is .80 cents
400
What two facts must be true for a graph to be proportional?
Goes through the origin, is linear/straight
400
Keisha needs a ride home. UBER charges four dollars plus $3.85 per mile. Write an equation that represents this relationship.
y=4x + 3.85
400
Which of the following show a direct variation?
Table B and C
500
Where the x and y axis intercept
What is the origin
500
find the slope of (4,2) and (8,-6)
What is -2.
500
A fair ticket cost $2.00 plus a .50 cents service fee. What is the y intercept in this situation?
What is the service fee (.50 cents)
500
It takes me 25 minutes to make a test. How long will it take to make tests for all five of my classes?
What is 125 minutes
500
The table below shows the age of a tree along with its height. During which interval is the rate of change the greatest?
What is from 7 to 9 years?