Math Algebra unit 1
Name the property shown 3 = 3
Reflective property
rows
The horizontal elements (left to right).
True or false, even numbers are closed under addition. _____
True
True or false, integers are closed under multiplication. _____
True
|4| - |-4|
0
4(h- 0.5) = 3h
2
|28| - |-26|
2
what set of numbers are closed under subtraction?
integers
which property is this? 6s * 1/6s = 1
inverse
Slope Intercept Form (write the formula)
y = mx + b
35 - 14 / 2 + 8^2
-13
4x-5<2(2x - 3)
-5 < -6
-(8 - 11)^3 - 3|-14| over 2^4 - 7
-5/3
multiplying by _ = _
0; 0
y - 725 = 12(x - 50)
1,025
28a + 26.25 = 15.5(a + 3)
1.62
2[18 - (5 + 3^2) / 7]
32
solve for x. 4.75x + 40 < 5.15x + 25
37.5 < x
ab^2 + c a = 2, b = 4, c = 7
39
$5 (x + $2) 2x = $36
4
the sum of n and 4
n + 4
columns
the vertical elements (top to bottom)
which property is this? if 3^2 = 9 and 9 = square root of 81 then 3^2 = square root of 81
transitive
5x - 7 < 13
x < 4
2x - 3 = -1
x = 1
2x- 3 = 1
x = 2
point slope form (write the formula
y - y1 = m(x - x1)
7[4^2 - 6|5 + (2^3 - 18) + 16 / 8|]
-14
5^2 - 3^4 over (2^3 - 5) * (6^2 / 9)
-14/3
[(-5 + 1) / 2]^3 - | -7|
-15
|-3| - |19|
-16
a^2b - b^2 a = 4, b = -7
-161
-4(2x - 3) = 36
-3
8y - 9y
-y
what is the value of g(x) = 5x + 1 when x = 3
16
what is the S in PEMDAS
subtraction
which property is this? if y = -5 then -5 = y
symmetric
variable terms
terms with a variable
absolute value
the distance from zero on a number line
elements
the individual numbers in the matrix
25x - 80 = -10
2.8
-y^2 - 3xy x = -4, y = 2
20
3x^2 - 4x x = -2
20
|21|
21
40 - 32 / 8 + 5 * -2
26
|-12| + |15|
27
2(b - 3)
2b - 6
one less than twice n
2n - 1
what is the value of x 3x - 10+ 4x = -2(x - 4) + 9
3
25x - 80 = 10
3.6
(2, 15) and (2.5, 30)
30
2/3(6x- 15) + 5x = 26
4
4(p- 1)= 108
42
7 + 54 / 3(2)
43
the sum of three consecutive integers is 132. what are the three integers? (in accending order)
43, 44, 45
what is the value of x in 2(x + 4) over 3 - 8 = 32
56
the product of n and 5
5n
1/2(n - 4) - 7 = -2n + 6
6
5x - 48 = -3x + 8
7
less than
<
greater than
>
Which of the following statements is false? A.) all real numbers are rational numbers
A.) all real numbers are rational numbers
which set contains the value below? square root of 50 A.) irrational numbers B.) rational numbers C.) natural numbers D.) integers
A.) irrational numbers
which catagory does this set belong in (select four answers)? square root of 2 - square root of 2 A.) real numbers B.) irrational numbers C.) rational numbers D.) integers E.) whole numbers F.) natural numbers
A.) real numbers C.) rational numbers D.) integers E.) whole numbers
Name the property shown 4 + (x + y) = (4 + x) + y
Associative property
standard form (write the formula)
Ax + By = C
the set below only contains which type of numbers? {-1, 5, 1/2, 15, 3.75, 36, square root of 81, 100} A.) irrational numbers B.) rational numbers C.) integers D.) natural numbers
B.) rational numbers
which is the smallest set of real numbers that contains the value below? - 18/6 A.) irrational numbers B.) rational numbers C.) natural numbers D.) integers
D.) integers
dimensions
Identifies the matrix by the number of rows and columns, with the rows stated first.
Name the property shown (mn) * 1 = mn
Identity property
Name the property shown 10k^2 + (-10k) = 0
Inverse property
Name the property shown 2(1/2) = 1
Inverse property
follow the _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ to evaluate
order of operations
each time you substitute a variable with a number, put _ _ _ _ _ _ _ _ _ _ _ around the number
parenthesis
what is the P in PEMDAS
parenthesis
Name the property shown if square root of 49 = 7 and 7 = 3 + 4, then the square root of 49 = 3 + 4
Transitive property
which property is this? -7 = -7
reflective
Are integers always/sometimes/never whole numbers?
sometimes
Algebraic expression
a mathematical phrase made up of numbers and variables
matrices
a rectangular array of data in rows and columns
What is the A in PEMDAS
addition
what is the D in PEMDAS
division
n less than -10
n < -10
n less than 15
n < 15
twice n plus 4 is 8
n = 2
3|x + 6| + 8 - 8 = 5 - 8
no solution
True or false ,Negative numbers are closed under subtraction. _____
False
True or false, irrational numbers are closed under division._____
False
True or false, natural numbers are closed under subtraction. _____
False
True or false, perfect squares are closed under subtraction. _____
False
(7 - 2^2) + 17 / over -14 + 2 * 5
-5
a^2b - b^2 a = 3, b = -4
-52
84 over 12 + (5- 7^2) - 72 / 6 * 2
-61
24 - 4^2 * 3 + 15
-9
what number is a whole number but not a natural number
0
|-13|
13
(8 - 5)^3 - |5^2 - 4^3 | / 3
14
12[30 - (9 + 4^2)] over |10| - |-6|
15
7 - 2^5 / 4 + 6
15
|9| + |-8|
17
|21 - 17|
4|
-|-9 - 10| + 12^2 / 6* 3
53
|-7^2 + 3^2 * 4| + 18 / 2 * 5
58
|-11| - |-5|
6
7x + 3 - 5x + 8 + 4x - 1
6x + 10
17 - 5 * 4 / 2
7
7(x - 4)
7x + 28
20^2 / {3(5 - 9)^2 + 2}
8
|-3| + |-5|
8
|15 - 23|
8
|24| - |-15|
9
|28| - |-26|
9
(4 - 7)^2 - 6 * 7 + 20
92
Which number is NOT a whole number? A.) 8 B.) -10 C.) 0 D.) 18/3
B.) -10
Which expression does NOT represent an integer? A.) -15 B.) 6/14 C.) 0 D.) 12/6
B.) 6/14
Which statement is false? A.) all whole numbers are integers. B.) all real numbers are irrational numbers C.) All natural numbers are whole numbers. D.) all whole numbers are real numbers
B.) all real numbers are irrational numbers
which expression represents an irrational? A.) 0.18 B.) square root of 75 C.) 2/3 D.) square root of three subtracted from three
B.) square root of 75
which statement is true? A.) The square root of 81 is an irrational number B.) 0 is a natural number C.) 4.6 is a rational number D.) -9 is a whole number
C.) 4.6 is a rational number
(x + 2) + y = (2 + x) + y
Commutative Property
Which of the following is a true statement? A.) -9 is a whole number B.) square root of 25 is an irrational number C.) 0 is a natural number D.) 2/3 is a rational number
D.) 2/3 is a rational number
are natural numbers always/sometimes/never rational numbers?
always
which property is this? 8 + (2 + 6) = (8 + 2) + 6
associative
which property is this? 8a + 4 = 4 + 8a
commutative
which property is this? 12(x + 4) = 12x + 48
distributive
what is the E in PEMDAS
exponets
_ _ _ _ _ _ _ _ of values does not matter
grouping
which property is this? n^2 * 0 = 0
zero
what is the M in PEMDAS
multiplication
four less than n squared
n^2 - 4
are irrational numbers always/sometimes/never rational numbers?
never
what is NOT closed under addition
odd numbers
using _ _ _ _ _ _ _ _ to "cancel" a value
opposite
_ _ _ _ _ of values does not matter
order
_ _ _ _ _ _ _ _ _ _ the variables with their given values
substitute
constant terms
terms without a variable
coefficients
the number next to the variable