Proportions
Rate of change/slope
Word Problems
Slope Intercept form
Mixed
100
what is 30% of 15
4.5
100
The slope of the equation: y= 3/2x + 4
3/2
100
The cost of a school banquet is $95 plus $15 for each person attending. Write an equation that gives total cost as an equation (slope intercept form) of the number of people attending.
y = 15x + 95
100
slope: -5/4 y-intercept: 12
y= -5/4x +12
100
Solve x + 9 > 18
x > 9
200
6 is what percent of 25
24
200
The slope of y= -3x - 7
-3
200
You are visiting Baltimore, MD and a taxi company charges a flat fee of $3.00 for using the taxi and $0.75 per mile. Write equation using slope intercept form.
y = .75x +3
200
m: 2/3 b: -9
y= 2/3x - 9
200
-125 /5
-25
300
Concert ticket: $100 Discount 21% New ticket price:
$79
300
The slope of (8, 10) and (-7, 14)
-4/15
300
Lynn is tracking the progress of her plant’s growth. Today the plant is 5 cm high. The plant grows 1.5 cm per day.
y= 1.5x + 5
300
m: -12/-9 b: 8
y=4/3x + 8
300
54/6 + (9 - 3 + 2)^2
73
400
Telescope: $99.99 discount:13% Final price:
$86.99
400
(-12, -5) and (0, -8)
-1/4
400
A plumber charges $50 to make a house call. He also charges $25.00 per hour for labor. Write an equation. How much would it cost for 3 hours of work?
y = 25x + 50 $125
400
(0, 2) and (1, -3)
y= -5x + 2
400
Translate the following: The quotient of five and a number plus the quotient of seven and three.
(5/n) + (7/3)
500
Cost of a laptop:$678 mark up:32% tax:5% Total price:
$928.86
500
(-18, -20) and (-18, -15)
undefined
500
An airplane 30,000 feet above the ground begins descending at the rate of 2000 feet per minute. Assume the plane continues at the same rate of descent. The plane’s height and minutes above the ground are related to each other. Write an equation.
y = -2,000x + 30,000
500
(4, -2) and (-4, -4)
y=1/4x - 3
500
Simplify the following: -8(n + 3) - 8(7 + 8n)
-72n - 80