What is the slope of y = 3x + 5
What is 3?
What is the slope of y = -x + 6
What is -1
True or False
If you multiply two negative numbers you will get a negative answer.
What is False
1 + 3x - x = x - 4 + 2x
What is 5
What is the x coordinate for the y-intercept?
What is 0
TRUE or FALSE: linear relationships can NOT start anywhere on a graph
False
Andy and his girlfriend Jane want to buy iPhones. Andy has $215 and can save $35 each week. Jane has $380 and can save $20 each week. When will Andy and Jane have the same amount of money?
What is 11 weeks. ($600)
Which direction will you move on the number line when subtracting a negative number?
What is to the right
Another name for rate of change is....
What is slope?
Solve for x.
3x+4+2x=29
What is x=5
1/2(6x - 8) = 2( -1 + x) + 1/2
What is
2 1/2
What is your constant rate of change if you have the points (3,2) and (6,4)?
2
Highland has a population of 12,200 which has been increasing by 300 people per year. Lowville has a pop. of 21,000 that has been decreasing by 250 people per year. Write an equation for each town where x is the number of years and y is the population.
What is y = 300x + 12,200
and
y = -250x + 21,000?
Highland has a population of 12,200 which has been increasing by 300 people per year. Lowville has a pop. of 21,000 that has been decreasing by 250 people per year. When will the towns have the same population?
What is 16 years from now? They will have 17,000 people.
What is the slope intercept formula?
What is y=mx+b