Plz awenser a
2.) simplify the following expression:
2(6x + 18)
a. -1...
![subject](/tpl/images/cats/mat.png)
Mathematics, 02.01.2020 11:31 chamillelynn
Plz awenser a
2.) simplify the following expression:
2(6x + 18)
a. -12x + 36
b. 8x + 20
c. 6x + 36
d. 12x + 36
3.) what is the product?
7 x (-3)
a.21
b.-21
c.4
d.-10
4.)what product is illustrated by the statement ?
2 (-6/7) = (-6/7)
a. associative property of addition
b. inverse property of multiplication
c. commutative property of multiplication
d. commutative property of addition
5.) which property is illustrated by the statement ?
5.4 + 3 = 3 + 5.4
a. associative property of addition
b. commutative property of multiplication
c. inverse property of multiplication
d. commutative property of addition
6.) order the following numbers from least to greatest .
β2, -2/3 , β11. 0.8, -0.2
a. β2, -0.2, -2/3, β11, 0.8
b.-2/3, -0.2, β2, β11, 0.8
c.-2/3, -0.2, 0.8, β2, β11
d.β2, β11, -0.2, -2/3, 5.1
8.) to which subset of the real numbers does the number β13 belong ?
a. whole numbers, integers, rational numbers
b. whole numbers, natural numbers, integers
c. rational numbers
d. irrational numbers
9.) which sum or difference is equivalent to the following expression ?
15x - 20
5
a. 15x - 4
b. 10x - 15
c. 3x - 4
d. 3x - 20
10.) what is the algebraic expression for the following word phrase: "the product of g and 4"?
a. g - 4
b. 4g
c. g/4
d. g + 4
11.) what is the algebraic expression for the following word phrase: the quotient of 6 and the sum of x and y?
12.) what is the algebraic expression for the following word phrase: "the quotient of j and 8"
13.) what is the difference? -3 - 4
14.) what is the simplified form of the following expression ? β1/144
15.) which property is illustrated by the statement ? k(mp) = (km)p
16.) evaluate a/b + c^2d for a = 6, b = 3, c = 4, and d = 5
17.) what is the product ? 4(-2)
18.) (2/3)^3
19.)what word phrase can you use to represent the algebraic expression 6y?
a. 6 minus a number y
b. 6 plus a number y
c. 6 times a number y
d. 6 divided by a number y
20.) what is simplified form of the following expression -(8d - 3w)?
a. 8d + 3w
b. 8d - 3w
c. -8d + 3w
d. -8d - 3w
21.) what is the simplified form of the expression 11[6^2 Γ· (5^2 - 4^2) + 7]
a. 73
b. 128
c. 51
d. 121
22.) simplify the expression
3xz
-2x
23.) the temperature at the end of the day was 64 degrees. the temperature had increased twice during the day, once by 8 degrees and another time by 4 degrees. write and evaluate an expression for the temperature at the start of the day .
a. 64 - 8 - 4; 52 degrees
b. 64 + 8 - 4; 68 degrees
c. 64 - 8 + 4; 60 degrees
d.64 + 8 + 8; 80 degrees
24.) what is the value of x when x = -15 and y = -3 ?
y
a. 5
b. -5
c. 12
d. -12
25.) you are given a problem that involves multiplying a positive number and a negative number. which of the following are reasonable answers? select all that apply. (2 points)
a. 6
b. -3
c. -2
d. 4
26.) which of the following are reasonable answers for the product of two negative numbers and a positive number? select all that apply. (2 points)
a. 48
b. -48
c. 50
d. -75
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