Unit 1
What does 5-4 equal to?
a) -625 b) -1/20 c) 1/625
c) 1/625
What is 85% 60?
a) 5100 b) 5.1 c) 51 d) 0.51
c) 51
Simplifiy by collecting like terms:
3p-10p3+4p-3p3+2
-13p3+7p+2
Solve for the vaule of x:
7x+33=68
x = 5
Which numbers here are Irrational Numbers?
a)3.46223... b)0.3333... c)-3/5 d)-10 e)√87
a) 3.46223... and e)√87
What does the term Infinity mean?
The term Infinity shows that numbers continue going on and do not stop. This could be positive or negative numbers.
What are the 3 types of polynomials and how many terms to each of them have?
Monomial:1 term Binomial:2 terms Trinomial:3 terms
Which equation represents this sentence: 23 more than 6 times a number is 47.
a) 23(6x)=47 b) 23x+6=47 c) 23+6x=47
c) 23+6x=47
Express as a single positive exponent using the exponent law.
(-2)5 / (-2)-4
(-2)9
Which set notation represents this set: The set of all integers between -3 and 2.
a) {xEI/-3 < x < 2} b) {zE/-3 < x < 2}
a) {xEI/-3 < x < 2}
Using the digits 0-9 (one each), place a digit for each question mark to create a result with the smallest exponent
x??/(x?)?=x??
There are many answers to this but here is one: x85/(x2)3=x79
Solve for y: 4(2y/3)=4y-4
y=3
What is the difference between (-4)2 and -42 ?
(-4)2 is (-4)(-4) which give is you 16 while -42 is (4)(4) and add a negative sign which gives you (-16)
Bobby wants to buy a book for $25.00. The store has a 10% discount on all books. If Bobby has $100.00 how many books can he buy? Show your work
(0.10)(25)=2.50 2.50-25=22.5 100/22.5=4.4444...
Therefore Bobby can buy 4 books.
Triangle A has side lengths 4x+2 cm. Triangle B has double the side lengths of Triangle A. What is the perimeter of Triangle B? (Both these triangles are equilateral triangles)
3(2(4x+2)) = 3(8x+4)
P= 24x+12 cm
The perimeter of Triangle B is 24x+12 cm
Karen has $800 in her bank account. She deposits $50 each month. The Amount in her bank account can be shown as: A=50m+800. If Karen has $1700 in her bank account, how many months had she been saving?
Therefore Karen had been saving for 18 months.