Don't be such a line...
Scatter brain
I am absolutely certain
It's too early to function
That's not fair!
100
What is the slope-intercept form of y-1=1/2(x-2)?
y=1/2x
100
What is the correlation of this scatter plot?
Positive
100
The point (h, k) is the ______ of the graph y=alx-hl+k.
vertex
100
Is this a function?
No
100
Solve the following:
l6-2/3xl<9
-9/2<x<45/2
200
Find the slope of the line:
(2, -4) and (4, -1)
3/2
200
What is the correlation of this scatter plot?
No correlation
200
Solve
l4p-7l = 3
p = 1 and p = 5/2
200
What is the domain and range of the following points?
(-4, 3) (-2, 1) (0, 3) (1, -2)
Domain: [-4, 1]
Range: [-2, 3]
200
Solve and graph the following
-8 le 3x+1 le 10
300
perpendicular or parallel?
Line 1: (3, -1) and (6, -4)
Line 2: (-4, 5) and (-2, 7)
Perpendicular
300
Use the table to find a best fit line without a calculator!
y=5x+5
300
What are the transformations?
y=3/4lxl
vertical compression by a factor 3/4
300
Is this a function? If so, Domain? Range?
Yes
Domain: all real numbers
Range: -4
300
Write the inequality
x<5/3 or x<3
400
Find the line! Write in point-slope form.
(-3/4, -2) and (5/4, -3)
y=-1/2x-19/8
400
Use a graphing calculator to make a best fit line for the table below.
x: 78, 74, 68, 76, 80, 84, 50
y: 5.1, 5, 4.6, 4.9, 5.3, 5.5, 3.7
y=0.0521461x+1.07221
400
y = lxl
Transform the above function using these transformations:
Vertical stretch by a factor 2
Horizontal shift left by 3
vertical shift up by 6
y=2lx+3l+6
400
Is this a function? Domain and Range?
No
Domain: [-4, 5]
Range: [-1, 3.25]
400
Graph the inequality
500
Find the value of k so that the line through the given points have the given slope.
(2, -3) and (k, 7) and m= -2
k=-3
500
Approximate the best fitting line of the table below. Then estimate y when x = 20
x y
1 10
2 22
3 35
4 49
5 62
y=13x-3
y=257
500
What is the equation for the graph below?
y=-2lx+3l+2
500
What is the definition of domain? What is the definition of range?
Domain: The set of all possible input values for which the function is defined.
Range: The set of all possible output values produced by the function when the input values from the domain are plugged in.
500
Write the inequality.
f(x)<-abs(x-2)