Integers
What is an integer?
A positive or negative whole number + the number 0 (neither positive or negative)
What do we call a polynomial with exactly one term, such as 7x²?
Monomial
What does PEMDAS stand for?
Parenthesis - Exponents - Multiplication/Division - Addition/Subtraction
104 × 102
106
Is 1.2 an integer?
No
-4 + -7 =
-11
A student simplifies an expression to 4x²+3x−8. What is the polynomial called based on its number of terms?
Trinomial
20 ÷ 4 + 6 × 2
17
28 ÷ 23
25
What is a coefficient?
The number in front of a variable.
36 + -15
21
What must you do before naming a polynomial by the number terms?
Simplify
(3)15 - 3²
36
c3 × c2 ÷ c1
c4
What is a constant?
A number without a variable or a stand alone number.
A diver travels 30 feet below sea level then up 20 feet, then down 80 more feet. What is the driver's location relative to sea level?
-90 feet
A rectangular garden has a length of x+5 feet and a width of x feet. Find the area and name the polynomial by its number of terms.
Hint: multiply to find the area.
x²+5x
Binomial
36 ÷ [3(2 + 2)] + 23
11
When dividing exponents with the same base you... the exponents.
subtract
3[9 - (42 + 3)] • 2
-60
4 −(−16) =
20
A school's fundraising profit is modeled by P(x) = 2x²+7x−12, where x represents the number of fundraising items sold in groups. What is the polynomial called based on its number of terms, and what are its three terms?
Trinomial
2x², 7x, and -12
(3 - 5)2 ÷ 4 + (8 - 3)2
26
2x-2
2/x2
When multiplying exponents with the same base you... the exponents.
add
20−(−8)÷2=
24
Simplify and name the polynomial.
7x² - (-2x) - 2 + 4x - 6x
7x² - 2
Binomial
−23 + 4 [6 −(−2)] ÷ 2
8
(3x)-3
1/27x3
32 − 2[4 −(−3)] + 24 ÷ (−6)
-9