AnswersELPGEQ3 MJ Math 6 - 1205010 HCPS v24Writing Equations to Find Unknowns

Writing Equations to Find Unknowns Answers

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Which phrase can be represented by an equation?

A
twice as much as a number
B
12 less than a number
C
half of a number is 15
D
the difference of 20 and a number
2
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Which sentence could be used to describe the equation ?

Question illustration
A
The sum of 78 and a number is 105.
B
The number 105 is more than 78.
C
The sum of 105 and 78 is a number.
D
Seventy-eight is more than the number one hundred five.
3

Which phrase is usually associated with addition?

A
the difference of two numbers
B
triple a number
C
half of a number
D
the total of two numbers
4

For which equations is 8 a solution? Select the four correct answers.

A
x + 6 = 2
Option A
B
x + 2 = 10
Option B
C
x minus 4 = 4
Option C
D
x minus 2 = 10
Option D
E
2 x = 4
Option E
F
3 x = 24
Option F
G
StartFraction x Over 2 EndFraction = 16
Option G
H
StartFraction x Over 8 EndFraction = 1
Option H
5

What is the solution to the equation ?

Question illustration
A
m = 10
Option A
B
m = 50
Option B
C
m = 66
Option C
D
m = 360
Option D
6

Which equation has a solution of ?

Question illustration
A
x + 3 = 10
Option A
B
x minus 10 = 3
Option B
C
StartFraction x Over 2 EndFraction = 26
Option C
D
x + 12 = 1
Option D
7

Which answer choice contains only equations?

A
and
Option A
B
and
Option B
C
and
Option C
D
and
Option D
8

Which are equations? Check all that apply.

A
x + 3 = 12
Option A
B
StartFraction z Over 7 EndFraction + 1
Option B
C
25 minus q
Option C
D
6 g = 18
Option D
E
Two-thirds m
Option E
F
StartFraction p Over 3.5 EndFraction = 2.25
Option F
G
9 = 100 minus f
Option G
H
k divided by 5.8
Option H
9

Which sentence can be represented by the equation ?

Question illustration
A
The sum of and a number is 15.
Option A
B
Three-fifths more than a number is 15.
C
Three-fifths times a number is 15.
D
The quotient of and a number is 15.
Option D
10

Maria did the work to see if 8 is a solution to the equation .Does her work show that 8 is a solution to the equation?

Question illustration
A
Yes, because the last line of the work is true.
B
Yes, because 11 minus 8 equals 3.
C
No, because 8 is even and the other numbers in the equation are odd.
D
No, because the last line of the work is not true. 5 and 11 are not equal.

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