Slope - Review
(4,-2) is called
a coordinate pair
the formula best used in word problems
change in dependent variable/change in independent variable
What letter represents slope?
m
The slope of this line is: A. positive B. negative C. undefined D. zero
negative
the formula best used when given two points (two sets of coordinate pairs)
(y₂- y₁) / (x₂- x₁)
What is the slope of this line? Hint: RISE over RUN
-2
y = 7x - 4 : What is the slope of this equation?
7
y = -4x + 8 : What is the y-intercept of this equation?
8
Find the slope of this graph.
The slope is -4/1
Find the slope of this graph.
The slope is 1/3
The slope of this table is
The slope is 1/7
The slope of this table is
The slope is 12
The slope of this table is
The slope is 2
Find the slope of this graph.
The slope is 3/2
( 3 , 2 ) and ( 7 , 5 ) are two points on a line. What is the slope of the line? Hint: point 1 (x,y) point 2 (x,y)
The slope is 3/4
What is the slope of this line? Hint: RISE over RUN
The slope is 4.
What is the slope of this line? Hint: RISE over RUN Hint: horizontal line
The slope is ZERO.
What is the slope of this line? Hint: RISE over RUN Hint: Vertical line
The slope is undefined. We can also say this line does not have a slope.
The slope of this line is: A. positive B. negative C. zero D. undefined
The slope is zero.
( 1 , 2 ) and ( 6 , 11) are two points on a line. What is the slope of the line? Hint: point 1 (x,y) point 2 (x,y)
The slope of the line is 9/5
What letter represents the point at which the line crosses the y axis?
b
the direction of a negative line
downward
A slope of 0/4 means the line is
horizontal
This is a __________________ line. A. horizontal B. Vertical
horizontal line
The slope of the line is: A. positive B. negative C. undefined D. zero
negative
The slope of the line is: A. positive B. negative C. undefined D. zero
positive
compares the amount of change in a dependent variable to the amount of change in an independent variable.
rate of change
the formula best used for graphing slope
rise/run
(y₂- y₁) / (x₂- x₁)
slope formula
The slope of a vertical line is _________________.
undefined
The slope of this line is: A. positive B. negative C. zero D. undefined
undefined
The direction of a positive line
upward
A slope of 4/0 means the line is
vertical
This is a _________________ line. A. horizontal B. vertical
vertical line
What letter represents the independent variable?
x
What letter represents the dependent variable?
y
Find the slope of this graph.
The slope is -1/2
Equation of the line where b = -2 and m = 3
y=3x-2
the slope-intercept form of an equation of a line
y=mx+b
The slope of a horizontal line is _______________.
zero