Show:
Find the Slope
Scatterplots/ Transformations
Random
Area Models /Simplifying Exponents
Graphs
100
Find the slope between: (0,1) and (2,4)
3/2
100
Which has a stronger correlation coefficient? Data set A: r=0.7, or data set B r=-0.7
Both are the same.
100
True or false: (2x+2)^2= 4x^2+4
False
100
Simplify: (2x)/2
x
100
Find the slope for Graph #1
m=2/3
200
Find the slope between: (1,2) and (3,6)
2
200
Translate triangle ABC 2 units to the right, and 1 unit down. If point A is (0,2), what will the coordinate of A' be?
A'(2,1)
200
Write an equation of a line with a slope of -2 and a point on that line (4,1).
y=-2x+9
200
Simplify: (18x^3)/(6x)
3x^2
200
What is the y-intercept of Graph #1?
(0,-4)
300
Find the slope between: (0,-1) and (7,-8)
-1
300
How would you describe the association in the graph of data?
Strong linear, negative, no outliers.
300
What is the slope of the line? y=x+(3/4)
m=1
300
Simplify: b^5*b^2
b^7
300
Write the equation of Graph #1.
y=(2/3)x-4
400
Find the slope between: (-2,-1) and (-1,3)
4
400
If r=0.7, what does r^2 equal to?
r^2=49%
400
Write an equation for a pattern whose figure 0=1, figure 1=5 and figure 2=9.
y=4x+1
400
Write area of rectangle as product and sum: (I will show you rectangle)
(x+1)(2x+2)=2x^2+4x+2
400
What is the slope of Graph #2?
3
500
Find the slope between: (-7,-2) and (-2,-5)
-3/5
500
Does association mean causation?
NO
500
Graph: y=2x-1
m=2, b=-1 (I will check your graphs)
500
What's the area of a rectangle with length= 2x+1 and width=3x?
x^2+3x
500
What is the equation for Graph #2?
y=3x