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