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#15 The elevation E in meters, above sea level at which the boiling point of a certain liquid is t degrees celsius is given by the function shown below. At what elevation is the boiling point 99.5 Degrees? 100 Degrees?

e(t)=1200(100-t) + 520(100-t)^2

#16 find the slope if it exists, of the line containing the pair of points. (-12,-1) and

(-13, -5)

A. the slope is ? (an integer or simpliefied fraction)

B. slope is undefined

#17 find the slope if it exists, of the line containing the pair of points. (-2,-10) and

(-16, -13)

A. the slope is ? (an integer or simpliefied fraction)

B. slope is undefined

#18 The number of visits to public libraries increased from 1.2 billion in 1990 to 1.5 billion in 1994. Find the average rate of change in the number of public library visits from 1990 to 1994?

#19 Find the slope and the y-intercept of the equation. f(x)=9 -5/6X, 5/6 is a fraction

A. slope is ? (integer or simplified fraction

B. undefined

#21 find an equation of the line having the given slope and containing the given point

m=5/6, (8,-2)

The equation of the line is y = ?

#22 find an equation of the line containing the given pair of points (3,4) and (9,9)

y= ?

#23 Graph the equation using slope and y-intercept

2x-y=3

#25. Decide whether the pair of lines is parallel, perpindicular or neither

5x+4y=8 (integer or simplified fraction)

4x+5y=10 (integer or simplified fraction)

#15 The elevation E in meters, above sea level at which the boiling point of a certain liquid is t degrees celsius is given by the function shown below. At what elevation is the boiling point 99.5 Degrees? 100 Degrees?

e(t)=1200(100-t) + 520(100-t)^2

#16 find the slope if it exists, of the line containing the pair of points. (-12,-1) and

(-13, -5)

A. the slope is ? (an integer or simpliefied fraction)

B. slope is undefined

#17 find the slope if it exists, of the line containing the pair of points. (-2,-10) and

(-16, -13)

A. the slope is ? (an integer or simpliefied fraction)

B. slope is undefined

#18 The number of visits to public libraries increased from 1.2 billion in 1990 to 1.5 billion in 1994. Find the average rate of change in the number of public library visits from 1990 to 1994?

#19 Find the slope and the y-intercept of the equation. f(x)=9 -5/6X, 5/6 is a fraction

A. slope is ? (integer or simplified fraction

B. undefined

#21 find an equation of the line having the given slope and containing the given point

m=5/6, (8,-2)

The equation of the line is y = ?

#22 find an equation of the line containing the given pair of points (3,4) and (9,9)

y= ?

#23 Graph the equation using slope and y-intercept

2x-y=3

#25. Decide whether the pair of lines is parallel, perpindicular or neither

5x+4y=8 (integer or simplified fraction)

4x+5y=10 (integer or simplified fraction)

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