Fun Functions
Slippery Slopes
Word Probz
Lines in Love (or not)
Solvin' Systems
100
The equation of the line has a slope of 6 and a y-intercept of 3.
What is y = 6x + 3?
100
Find the slope of the equation from the ordered pairs (8,2) and (11,3).
What is 1/3?
100
A machine salesperson earns a base salary of $40,000 plus a commission of $300 for every machine he sells. Write an equation that shows the total amount of income the salesperson earns, if he sells x machines in a year.
What is y = 300x + 40,000?
100
The number of solutions the two equations have. y = 2x + 3 y = 3x + 2
What is 1?
100
y = -4x + 5 ____ y = -(1/3)x - 6
What is (3,-7)?
200
The equation has a slope of -8 and goes through the ordered pair (-1,10).
What is y = -8x + 2?
200
The slope for the ordered pairs (−4, 7) and (−6, −4).
What is 11/2?
200
A salesperson receives a base salary of $35,000 and a commission of 10% of the total sales for the year. The equation, y = 1.1x + 35,000, represents the situation with x being the number of sales dollars. If the salesperson sells $250,000 worth of merchandise, what is her total income for the year, including her base salary?
What is $60,000?
200
The type of relationship that the two function have. y = -2x + 4 y = 2x + 4
What is a normal relationship?
200
5x + 3y = -15 ______ 4x - 2y = -12 (Written by Dustin Gilmore)
What is (-3, 0)?
300
The equation has a slope of 2 and goes through the ordered pair (-8,-10).
What is y = 2x + 6.
300
A climber is on a hike. After 2 hours he is at an altitude of 400 feet. After 6 hours, he is at an altitude of 700 feet. What is the average rate of change?
What is 75 feet per (1) hour.
300
Mr. Thompson is on a diet. He currently weighs 260 pounds. He loses 4 pounds per month. After how many months will Mr. Thompson reach his goal weight of 220 pounds?
What is 10 months?
300
What is the slope of a perpendicular line to y = -3x - 4?
What is 1/3?
300
3x + 6y = 15 _____ 4x + 4y = 28 (Written by Jazmyne Hellbusch)
What is (9, -2)?
400
The function goes through the ordered pairs (1,2) and (3,4).
What is y = x + 1?
400
A scuba diver is 30 feet below the surface of the water 10 seconds after he entered the water and 100 feet below the surface after 40 seconds. Interpret the scuba divers rate of change in the context of the problem. (Use time as your domain.)
What is that it takes 3 seconds for every 7 feet he goes down.
400
Paul opens a savings account with $350. He saves $150 per month. Assume that he does not withdraw money or make any additional deposits. After how many months will Paul have more than $2,000?
What is 11 months?
400
These lines have this type of relationship. y = -2x + 4 4x + 2y = 6
What is parallel?
400
2x + 6y = 18 _____ 7x + 5y = -1 (Written by Madalyn Boyd)
What is (-3, 4)?
500
The function goes through the ordered pairs (7,-2) and (-9, 6).
What is y = (-1/2)x + (3/2)?
500
A rocket is 1 mile above the earth in 30 seconds and 5 miles above the earth in 2.5 minutes. What is the rockets rate of change in miles per second?
What is 1 mile per 30 seconds.
500
At a school play, children’s tickets cost $3 each and adult tickets cost $7 each. The total amount of money earned from ticket sales equals $210. Write a linear equation that relates the number of children’s tickets sold to the number of adult tickets sold.
What is 3x + 7y = 210?
500
y = 3x - 1 The relationship between two lines is normal, so the slope of the other equation CANNOT be ______.
What is -1/3 or 3?
500
4x + 2y = 2 4x + 5y = -19 (Written by John McGee)
What is (4,-7)?
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