Identifying Linear Functions
Slope
Using Intercepts
Slope intercept form
Point Slope form &Slopes of lines
100
What is a function whose graph forms a straight line called?
linear function
100
What is the slope of a horizontal line?
Zero
100
What is the x-coordinate of the point where the graph intersects the x axis called?
What is the x intercept
100
What is slope intercept form?
y=mx+b
100
Write the linear equation in slope-intercept form: Slope=-7 ; (4,2)
y= -7x+30
200
What is the standard form of a linear equation?
Ax+By=C
200
What is the slope of a vertical line?
Undefined
200
Find the x intercept: 2x- 4y=8
x=4
200
Write the equation in slope intercept form:
slope=0, y intercept =-5
y=-5
200
Write the equation in slope intercept form:
slope=4 and (2,5) is on the line
y=4x-3
300
This phrase is used when graphing slope.
Rise/Run
300
Find the slope of (4,-2) and(-1,2)
What is -4/5
300
Find the x and y intercepts of 3x+4y=24
x=8 and y=6
300
Graph the equation: y= 4x-3
See graph
300
Write this equation in slope intercept form: slope=-4, (-1,-2)
Slope intercept: y=-4x -6
400
Write out the Slope Formula.
400
Find the slope of the graph:
m = -4/4 = -1
400
Find the x and y intercepts of 3x- 2y=12
x=4 and y=-6
400
Write the linear equation in slope-intercept form given the graph:
y = -2/3x+1
400
Write the equation in slope intercept form: (-4,-6) and (3,8)
y=2x+2
500
Tell whether the set of ordered pairs satisfies a linear function. Explain (2,4), (5,3) (8,2), (11,1)
Yes, constant change in 3 for x. Constant change of -1 in y
500
Find the slope of (20,3000) and (60,2000)
What is -25
500
Find the x and y intercepts of 2x + 4y=8. Then graph it
x=4 and y=-2
500
Graph the equation: y = -6/5x +4
(Check Graph)
500
Write the equation in slope intercept form: (1,-4) and (3,2)
slope intercept: y=3x -7