Combining Like Terms
What is the constant of proportionality?
k=1/2
What is the slope formula?
y2-y1/x2-x1
What is this a graph of?
scatterplot
What is the initial value or the y-intercept of
y=-6x+7
(0,7)
Solve for x.
-2(4x-6)=14
x=-1/4
What is the constant of proportionality?
k=5/2
Find the slope between these two points
(-4, 6) and (2, -5)
-11/6
What is the correlation or association of the scatterplot?
negative
Solve the equation
4(x-8)=-32+4x
infinitely many solutions
-3(-x+5)-3=3
x=7
What is the equation for this table?
y=1/3x
What is the rate of change from day 3 to day 6?
-8/3 or -8 rainfall in mm every 3 days.
What is the equation of the line of best fit?
y=1/2x+2
What is the equation of the graph?
y=25x
24x-22=-4(1-6x)
no solution
Find the missing value under the first column for boys.
5
What is the equation to this graph?
y=2/3x-4
What might be the y-intercept for this scatterplot?
(0,45) or (0,40)
Is this a function?
yes
x+5=-5x+5
x=0
A proportionality graph must always go through this point.
the origin
What is the equation to this graph?
y=-4/5x+3
How many females prefer the Beret hat?
20
Which graph is not a function?
Graph C