Is it true that a line with slope one always passes through the origin?
No, the line could intercept the y-axis at any point and still have a slope of one.
100
What is a y-intercept?
The y-coordinate of a point where the graph crosses the y-axis
200
What is a linear equation?
An equation that models a linear function.
200
What is a direct variation?
When a line passes through (0,0)
200
How do you write 4x24=8 in slope intercept form?
yz-2x-4
200
What are the slope and y-intercept of the graph of y=5x-2?
y=5x+(-2) the slope is 5; the y-intercept is -2
200
What is the standard form of the linear equation?
Ax+Bx=C
300
What is a system of linear equations?
Two or more linear equations.
300
What is an equation of a non-vertical line with m?
Point-slope form.
300
How do you simplyfy -3(x-5)?
-3x+15
300
John's buisness made $4500 in January and $8600 in March. What is the rate of change in his profit for the time period?
2
300
how do you simplfy -3(x-5)
-3x-15
400
What is a parent function?
The simpliest function with characteristics.
400
What is the first step to substitution method?
isolate the variable
400
What is the slope of y=3x+2?
slope= -3 y-intercept=2
400
Twp trians run on two sets of parallel tracks. The first train leaves a city half an hour before the second train. The first train travels 65 mi/h. How long does it take for the second train to pass the first train
2.75h
400
what is the slope of y=-3x+2
slope=-3 y-intercept=2
500
What is a substitution method?
The expression for the variable into the other equation.
500
What is the first step to elimination method?
choose a variable to isolate
500
What is the slope of (10,25) and (41,20)?
5
----
-31
500
The cost to rent a chain a saw for two days and a brush chipper for two days is $272. The cost to rent a chain saw for two days and a brush chipper for one day is $195. How much does it cost to rent a chain saw for one day?