Integers
When you multiply a negative, a negative, and one more negative, the final sign is this.
What is Negative? (Two negatives make a positive, but that third one flips it back!)
If $1 Canadian Dollar (CAD) is equal to $0.74 US Dollars (USD), what is the value of $1 USD in CAD?
$1.35 CAD
Solve: 10^2 - (2^4 + 4).
Answer: 80
Find the area of a rectangle with a length of 6x^2 and a width of 2xy.
Answer: 12x^3y.
−6x+5+12x−6
6x-1
The result of -20 divided by -5.
What is 4?
A hat in London costs $20 Pounds. If $1 Pound = $1.25 USD, how much does the hat cost in US Dollars?
$25 USD.
Solve: 100 ÷ 2^2 x 3 - 25.
Answer: 50
A rectangle has an area of 24x^4y^3 and a length of 4x^2y. What is the width?
6x^2y^2
3x^2 + 12 + 9x − 20 + 6x^2 − x
9x^2+8x-8
In the equation -4 x ? = 12, this is the integer that belongs in the blank.(Show work)
What is -3?
A gold bar is $2,000 USD in New York and $1,600 GBP in London. The exchange rate is $1 GBP = $1.20 USD. Shipping the gold from London costs $100 USD. Where should you buy it?
New York ($2,000 vs $1,920 + $100 = $2,020 in London).
Solve: 3^2 + [ 50 ÷ (12 - 2) ] x 4.
Answer=29
Simplify: -(2x^2)^4.
-16x^8 (The negative is outside the power).
The radius of a circle is 1 centimetre. What is the circle's circumference?
6.28cm
The sign of the result of (-1) x (-5) x (-2) x (-3).(Is the sign positive or Negative).
What is Positive? (An even number of negative signs equals a positive).
You buy 10 items for $12 Pounds each. The rate was $1 GBP = $1.25 USD. You return them when the rate is $1 GBP = $1.35 USD. Did you make or lose money in USD? How much?
Made $12 USD (Spent $150, got back $162).
Solve: [ (10 - 2^2) x 3 ] ÷ 9 } + 14.
Answer=16
A rectangular prism has a length of 3x, a width of 2x^2, and a height of 4xy. What is its volume?
24x^4y
What is the volume of a cone with the height of 6 inches and the diameter of 4 inches?
25.12in^3
This is the sign of the answer when you multiply two negative numbers together, like -2 x -3.
What is Positive?
If 1 USD is worth 0.92 Euros, how many Euros would you get for 50 USD?
46 Euros
Solve: 7 x (12 - 4) - (18 ÷ 3).
50
Which of the following is not a monomial and why? 4a^2 ,bc, -15, or 2x^2 - y.
2x^2 - y (It is a binomial because it has two terms separated by a minus sign).
3.14159265358979