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?

What is a 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?

What is zero?

100

What is slope intercept form?

What is y=mx+b?

100

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

y-2 = -7(x -4)

200

What is the standard form of a linear equation?

What is Ax+By=C?

200

Find the x intercept: 2x- 4y=8

What is x=4?

200

What is the slope of a vertical line?

What is undefined?

200

Write the equation in slope intercept form: slope=0, y intercept =-5

What is y=-5?

200
What lines have the same slope?
parallel
300

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

What is yes it can be written as -x+y=3?

300

Find the x and y intercepts of 3x+4y=24

What are 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

What is y=4x-3?

300
How do you know when you have perpendicular slopes?
When the product of the slopes equal -1
400

Tell whether the set of ordered pairs satisfies a linear function. Explain (2,4), (5,3) (8,2), (11,1)

What is 'Yes', constant change in 3 for x. Constant change of -1 in y or the slope is -3/1 or -3?

400

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

What are x=4 and y=-6?

400

Find the slope of (20,30) and (60,20)

What is -1/4?

400

Which equation is a nonlinear function? 

A) y = 5/x

B) y = x/5


What is y = 5/x because it cannot be written in the form y = mx + b?

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

Tell whether the function y = x/2 + 1 is linear

What is yes it is linear?

500

Find the x and y intercepts of 2x + 4y=8. Then graph it

What is x=4 and y=-2?

500

Find the slope of the equation: 6x + 5y=30

What is 6/5 or 1 1/5 or 1.2?

500

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

What is y=-3/2+4? 

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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