Slope
Definitions
Point-Slope Formula
Word Problems
Parallel and Perpendicular lines
100

Which variable represents the slope in slope-intercept form?

m=slope

100
what is slope-intercept form?

y=mx+b

100

write a linear equation when given (-4, -7); slope = 3

y=3x+5

100

You plan to go snowboarding this weekend in Pennsylvania. The resort charges $15.75 per hour in addition to a $25 deposit to rent a snowboard. Write and solve linear equation to find the total cost to rent the snowboard from 8:30 a.m. to 12:30 p.m.

y=15.75x+25

$88

100

 Describe the slopes of parallel lines.

they are the same

200
What is the slope of the equation?

y=3x+1


m=3

200

what is standard form?

Ax+By=c

200

write a linear equation when given (8,-9), slope=-5/4

y=-5/4x+1

200

Brielle's piggy bank has al nickels and dimes. The total value of the money in her piggy bank is $7.80. If she has 66 nickels, write and solve a linear equation to find the number of dimes she has.

7.80=0.05x+0.10y

45 dimes

200

Describe the slopes of perpendicular lines.

they have negative reciprocal slopes 


(opposite sign and flipped fraction)


300

Identify the slope and y-intercept.

2x+5y=20

m=-2/5

b=4

300

When should point-slope formula be used?

When given slope and a coordinate pair, or when given two coordinate pairs

300

 Which si the equation of the line that passes through the points (-4, 3) and (2, -6)?

y=-3/2x-3

300

MaryAnn is printing pictures from her recent trip to Europe. An online print shop charges $0.15 per 4x6 inch print, along with a flat rate shipping charge of $3.00.
If MaryAnn has $35 to spend, how many prints can she order?

y=0.15x+3

213 pictures

300

Which line is perpendicular to the line
y = -3x+2?

y=1/3x-1

400

                                                                       

What is the slope of the line that contains the points (13, -2) and (3, -2)?

                                                       


    

m=0

400

What are x and y intercepts?

X-intercepts are where the graph cross the x-axis.

Y-intercepts are where the graph crosses the y-axis. (also the starting point on the graph)
400

write the equation of a line when given (-2,7) and (6,-5)

y=-3/2x+4

400

The monthly rent for an 800 square foot office is $975. For an 1100 square foot office, the rent is $1125. Write and solve a linear equation to find the monthly rent for a 1500 square foot office.

y=.5x+575

$1325

400

Write an equation that is parallel to
y =-4x + 5 and passes through the point (-2, -1).

y=5/2x-9

500

 What is the slope of the line whose equation is 2y=3x+4


m=3/2

500

What is point-slope formula?

y - y₁ = m(x - x₁)

500

What is the equation of the line that contains the points (-6, 1) and (4, -4)?

y=-1/2x-2

500

At Smith Mountain Lake Boat Rentals, ti cost $25 per hour ot rent a pontoon boat, plus a one-time charge for cleaning. The Bengel family rented a boat from 1 am - 6:30 pm and paid $226.50. If the Jones Family rented aboat from 8am - 1pm, how much did they pay?

y=25x+39

$164

500

Write an equation that is perpendicular to 3x - 5y = 5 and passes through the point
(9, -14).

y=-5/3x+1

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