How many Solutions
How do you know when an equation has infinite solutions?
Both sides of the equal sign have the same variable term and number.
(0,3)
What part of a linear equation is the y-intercept?
The last number, in the place of "b"
What does "X" represent in a figure pattern?
The figure number
How are linear functions used to show relationships between quantities?
Produce or graph a straight line.
How many solutions does 6x+8=6x+3 have? and Why?
No solution because 8 does not =3
What does slope (m) mean?
The slope of a line is the steepness of line.Rise over run.
How do you determine if the linear functions are parallel lines?
If the equations have the same slope.
What does the y-intercept represent in a figure pattern?
The number of tiles in Figure 0
What is the equation for the cost (y) of the SDFair if the entrance fee is $10 and each ride (x) is $4.
y=4x+10
Solve 2x+x-3=4x+8 How many solutions?
One solution. x = -11
What does the Y intercept represent?
The Y value when the X value is 0.
How do you know if it is a linear function by looking at a table of values?
The change in Y will grow or decrease at a constant rate.
What does the x intercept(s) represent?
The point at which at the graph of an equation crosses over the x axis
How do you know if a problem is a linear function?
Check to see if there's a constant rate of change.
Simplify -2x+4-3x-10+6x+3
1x-3
How can you find the Y intercept on a graph?
The point where the line touches the Y axis.
What is the equation for the bank account Stephan opened with $150 and deposits $40 per month?
y=40x+150
How do you know if the linear function is decreasing?
"m" is negative
What is special about linear functions equations?
Linear Functions are those who graph a straight line.
Does a linear function have a constant rate of change?
A Linear function does have a constant rate of change.
How do you find the equation of a linear function?
identify the slope and the y-intercept
Identify the y-intercept: y=8x-4
y-intercept is (0,-4)
How do you write an equation for a linear function.
Y= mx+b
How are linear functions used in real life?
Figuring out income, overtime, calculation mileage, costs.