Identifying Linear Functions
Using Intercepts
Slope
Slope intercept form
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
200

What is the standard form of a linear equation?

Ax+By=C

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
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
400
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
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
500

Tell whether 2x + y = 5 is linear and graph the function

Yes it is linear.

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 and graph: 3x+2y=8

y=-3/2x+4 See graph

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