Slope
Grab Bag
Direct Proportion
Lines
Transformations
100
What is the slope of the line?
y = -(2/3)x - 4
The slope is -2/3
100
In the line, 3x + y = -1. If the the domain is restricted to x ≤ 0, name the type of graph that would be drawn on the coordinate axis?
A ray
100
What is the direct proportion equation?
y = ax or y = kx
100
What is the standard form for linear equation?
Ax + By = C
100
Describe the transformation from the parent function f(x)= x
g(x) = x - 3
Translation, down 3
200
What is the slope of the line passing through the two points?
(4, 5) and (7, 17)
The slope is 4.
200
All lines have a x-intercept and y -intercept
False, vertical lines do not have a y-intercept and horizontal lines do not have a x-intercept
200
In the direct proportion equation, y = 6x, what is the 6 representing?
The constant of proportionality
200
What is the equation for Point-Slope form?
y-b = m (x - a) or y -y1 = m(x - x1)
200
Describe the transformation from the parent function f(x)= x
r(x) = (2/3)x
Flatter by a factor of 2/3
300
What is the slope of the line?
-3x + 6y = 15
3/6 or 1/2
300
What is the slope of a horizontal line?
0
300
Is the following equation a direct proportion equation?, If so what is a?
3x = 5y
a = 3/5
300
What are the x and y intercepts in the equation?
4x - 6y = 12
(0, -2) and (3, 0)
300
Describe the transformation from the parent function f(x)= x
h(x) = -5x
reflection over the y-axis and steeper by a factor of 5
400
What is the slope of the line?
y - 3 = (5/8)(x + 2)
5/8
400
What is the slope of a vertical line?
Undefined.
400
Is the table a direct proportion? If so, what is "a" and what is the equation?
direct, a = 25, y = 25x
400
How many consecutive integers must be tried in the following equation to determine if any integer solutions exist?
4x - 6y = 11
GCF: 2
6/2 = 3
3 consecutive integers
400
Describe the transformation from the parent function f(x)= x
t(x) = -x + 8
Reflection over the y-axis and a translation, up 8
500
The slope of a line is 2/5, what is the slope of a line parallel to the line and perpendicular to the first line
Parallel: 2/5
Perpendicular: -5/2
500
What is the ratio of circumference : diameter, better know as?
π
500
direct, a = 20, 20 represents the number of tennis balls produced in a machine in 1 hour, y = 20x
500
What is the equation of the line in this problem?
A wedding planner is trying to determine how many large and small tables are needed for a reception. Each large table holds 8 people and each small table 6. There are a total of 144 people coming to the reception
8x + 6y = 144
500
Describe the transformation from the parent function f(x)= 3x + 2
g(x) = 21x - 6
steeper by a factor of 7 and translation down 8