Slope - Review

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(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


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