Formulas
? = Prt... What is this the formula for?
P = principal
r = rate
t = time
The communative property is...
a) grouping
b) order
bonus 100: Can it be used with subtraction and addition?
What is... b) and it canNOT be used for addition and subtraction
solve: (3x)2
(part of exponent rules)
what is... 9x2
Using exponential notation, we can write 3 square root of 5 as
What is... 51/3
A rental company charges $65 a day and 20 cents a mile for renting a truck. Michael rents a truck for 3 days, and his bill comes to $275. How many miles did he drive?
What is... Michael drove 400 miles.
What is G in the Gas Mileage formula ... M = m/g?
What is... gallons
M = gas mileage
m = miles
g = gas
The associative property is...
a) grouping
b) order
bonus 100: Can it be used with subtraction and addition?
What is... a) grouping and it CAN be used with addition and subtraction
Factor this expression... x2 - 2x - 3
What is... (x+2) (x-3)
Is 0.5 a Natural, integer, rational, or irrational number?
What is... Rational (because it can be written as a fraction)
A rectangular garden is 25 ft wide. If its area is 1125 ft 2 , what is the length of the garden?
What is... the garden is 45 feet long.
What is this formula used for... T=20-10h
What is... to estimate the tempature (t) at h elevation
a(b - c) = ab - ac ... this is an example of
a) communitive property
b) associative property
c) distributive property
Name the type, terms, and degree of 5x+1...
What is...
type: binomial
terms: 5x, 1
degree; 1- linear
Solve: (3a-8b2/9a-2)0
What is ... 1
(using Exponent Rules)
What annual rate of interest would you have to earn on an investment of $3500 to ensure receiving $262.50 interest after 1 year?
What is... 0.075 or 7.5%
What is the meaning of W in P=NW (model used for paying) ?
What is...Wages!
P=Pay
N=Number of Work Hours
W=Wages
Finish the property... -(a - b) =
(part of the Property of Negatives)
What is... b - a
Factor this polynomial... 27x3-1
*hint:bunny ears
What is... (3x-1)(9x2+3x+1)
Solve: 2+ 5/x-4 = x+1/x-4
What is... No Solution!
Betty and Karen have been hired to paint the houses in a new development. Working together, the women can paint a house in two-thirds the time that it takes Karen working alone. Betty takes 6 h to paint a house alone. How long does it take Karen to paint a house working alone?
What is... it would take Karen 3 hours to paint a house alone.
Finish the formula... (A+B)2 =
(Special Product Formula)
What is... A2 + 2AB + B2
if a/d = b/c then...
(part of Properties of fractions)
Combine the rational expression... 3/x-1 + x/x+2
What is... x2 + 2x + 6 / (x-1) ( x+2)
Simplify the expression and express the answer using rational exponents: square root of xy divided by 4th square root of 16xy (will write on board if confused)
What is... x1/4y1/4 divided by 2
A pilot flew a jet from Montreal to Los Angeles, a distance of 2500 mi. On the return trip, the average speed was 20% faster than the outbound speed. The round-trip took 9 h 10 min. What was the speed from Montreal to Los Angeles?
What is... The plane flew at a speed of 500 mi/h on the trip from Montreal to Los Angeles