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 stan standard form?

ax+bx=c

100
Write the linear equation in point slope form: Slope=-7 ; (4,2)
y-2 = -7(x -4)
200

What is the slope-intercept form of a linear equation?

y-mx+b

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 lines have the same slope?
parallel
300

Tell whether the function is linear  y=x+3

Yes, y=mx+b

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
How do you know when you have perpendicular slopes?
When the product of the slopes equal -1
400

The b in slope-intercept form is the ______

Y-intercept

400

Which slope doesn't pass the vertical line test? 

Undefined

400
Write this equation in point slope form & in slope intercept form: slope=-4, (-1,-2)
Point slope form: y+2= -4(x+1) Slope intercept: y=-4x -6
500

The m in slope-intercept form is the ______

slope

500

Find the y-intercept of the equation: y=7x - 30

What is -30

500

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

y=-3/2+4 See graph

500
Write the equation in point slope form and in slope intercept form: (1,-4) and (3,2)
Point slope: y-2=3 (x-3) slope intercept: y=3x -7
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