Rates and Proportionality
The criteria that forms a proportional relationship on a graph
What is a straight line through the origin?
This procedure will turn a percent into a decimal
What is dividing by 100?
The coefficient in the expression: -5x-12
What is -5?
In equation form, the sum of half a number (n) and 15 is 24/
What is 0.5n+15=24 ?
The property shown in:
3(x+2) = 21 ----> 3x+6=21
What is the distributive property?
The name of k, in the equation y=kx
What is the constant of proportionality?
The percent change from $50 to $30
What is 40%?
The expression 12a + 8b after factoring by GCF
What is 4(3a+2b) ?
The solution to 2x+35 <= 50
What is x <= 7.5 ?
What you do when you multiply powers with the same base.
What is add the exponents?
The unit rate of the ratio 4/7 to 8/9, in fraction form.
What is 9/14?
An expression to represent the price of a shirt after a 17% markup.
What is 1.17x?
A two-term expression equivalent to:
-4(2x-6)-4x
What is: -12x+24 ?
The cost of each paddleboard, if you spend $80 total on a $12 beach permit and 4 paddleboards.
What is $17?
This perfect square is the first one greater than 100.
What is 121?
The unit rate if someone uses 4/5 gallons in 4/10 minutes
What is 2 gallons per minute?
70% of 45
What is 31.5?
After combining like terms, the expression:
(x2+5x-4)-(3x2-4x+6)
What is: -2x2+9x-10 ?
The solution to: 12 = (x-6)/-3
What is x = -30 ?
In simplest radical form, sqrt(80x5)
What is 4x2 sqrt(5x) ?
How long it takes a marching band to walk 1 mile if they walk at a rate of 1/15 miles in 1.5 minutes.
What is 22.5 minutes?
The amount in an account after 5 years in which $730 is deposited at a 2.8% simple interest rate.
Simple Interest Formula: I = Prt
What is $832.20?
The value of -2x2+12 if x=-3
What is -6?
The number of hours (during the week) needed to earn at least $279 if you earn $7.75 per hour and work twice as many hours on the weekend as you do during the week.
What is 12 hours?
With a rationalized denominator in simplest form, 3/sqrt(6)
What is sqrt(6)/2 ?