Show:
Identifying Linear Functions
Using Intercepts
Slope
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 x-coordinate of the point where the graph intersects the x axis called?
What is the x intercept
100
What is the slope of a horizontal line?
Zero
100
What is slope intercept form?
y=mx+b
100
Write the linear equation in point slope form: Slope=-7 ; (4,2)
y-2 = -7(x -4)
200

What form is the following linear function in? 4x+2y=8

Standard Form

200
Find the x intercept: 2x- 4y=8
x=4
200
What is the slope of a vertical line?
Undefined
200
Write the equation in slope intercept form: slope=0, y intercept =-5
y=-5
200

What is the point-slope form of a linear function? (general equation)

y - y1 = m(x - x1)

300

Tell whether the function is linear and turn it into standard form of linear equation: y=x+3

Yes can be written as -x+y=3

300
Find the x and y intercepts of 3x+4y=24
x=8 and y=6
300
Find the slope of (4,-2) and(-1,2)
What is -4/5
300
Write the equation in slope intercept form: slope=4 and (2,5) is on the line
y=4x-3
300

What form is the following linear function in? Name a point and the slope.

y - 3 = 1/2(x + 1)


Point-Slope Form

Point: (-1, 3) Slope: 1/2

400
What kind of line will the function x = -3 form? 

Vertical Line

400
Find the x and y intercepts of 3x- 2y=12
x=4 and y=-6
400

Find the slope of (20,3000) and (60,2000)

What is -25

400

Graph the equation: y= 4x-3

See graph

400

Write this equation in point slope form: slope=-4, (-1,-2)

Point slope form: y+2= -4(x+1)

500

Identify the slope and the y-intercept of the following line: y=-6x+5

m = -6 

b = 5

500
Find the x and y intercepts of 2x + 4y=8. Then graph it
x=4 and y=-2
500
Find the slope of the equation: 6x + 5y=30
What is 6/5
500

Write the equation in slope intercept form: 3x+2y=8

y=-3/2x+4

500

Write the equation in point slope form: (1,-4) and (3,2)

Point slope: y-2=3 (x-3)