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Slope
Which Relationship
Direct/Inverse Variation
Simplifying Expressions
Random Skills
100
Find the slope between the two points A(3,9) and B(5, 15)
m = 3
100
As values increase in a table, the first difference of the y values remains constant
linear relationship
100
x and y vary directly. If (2,8) satisfies the equation, find c.
What is 4
100
2x+3y+7-4x
-2x+3y+7
100
x and y vary inversely. If c=1/8, find a coordinate pair which satisfies the equation
the product of x and y must be equal to 1/8
200
If m = 1/4 and A(2,5) find a coordinate pair B which exists on the same line
Answers vary
200
A relationship between two variables which remains at a constant ratio
What is direct variation
200
x and y vary inversely. If (8,6) satisfies the equation, what is c?
c = 48
200
2(x+1) + 3y
2x+2+3y
200
Joe buys five and a half gallons of paint at home depot. If he uses one-fifth of the paint in his room, how much paint is left?
four and two-fifths gallons
300
Find the slope if A(-2,4) and B(6,-8)
What is -3
300
As a table of values increases, the second difference of the y values remains constant
A quadratic relationship
300
x and y vary directly. If c is 1/8, find a coordinate pair which satisfies the equation
What is answers vary
300
(1/4)x + 2y - (1/16)x +5
(3/16)x+2y+5
300
The diameter of a circle is 3.5 inches. What is its area?
What is 9.62 inches squared
400
If A=( -1,1) and B=(0,2) find a point C that is on the same line
answers vary, m=1
400
A relationship between two variables which has a constant product
inverse variation
400
x and y vary inversely. If c = -24, find two coordinate pairs which satisfy the equation
What is answers vary
400
x(x+2) -2x +z
x^2+z
400
What is an 18% tip on a check of $87.12? What is the total cost?
tip = $15.68 total = $102.80
500
A line has a slope of 1/2, and a y-intercept of -2. Find two more points that exist on the line
answers vary
500
In a table of values, the y values increase by a common multiplier.
exponential relationship
500
Sketch the graph of (x)(y)=6 (hint: think of all possible values)
a graph
500
(1/4)(x+y) +2x - (1/2)y
(9/4)x - (1/4)y
500
if y= 4^x, what is the common multiplier between increasing values of y?
What is 4