All Algebra 1 Resources
Example Questions
Example Question #131 : How To Write Expressions And Equations
Write the expression: Sixteen less than a number squared.
Separate the sentence into parts.
A number squared:
Sixteen less than a number squared:
Note that the number 16 is subtract from if 16 is less than the number.
The answer is:
Example Question #132 : How To Write Expressions And Equations
Write as a variable expression:
Nine multiplied by the sum of a number and two thirds.
"The sum of a number and two thirds" is the result of adding and :
Nine multiplied by this, remembering to use parentheses to override the precedence of multiplication, is:
Example Question #1041 : Algebra 1
Write as a variable expression:
Twenty added to the product of seven tenths and a number
"The product of seven tenths and a number" is the result of multiplying and :
.
"Twenty added to" this is
Example Question #131 : How To Write Expressions And Equations
Which of the following English-language expressions can be rewritten as the algebraic expression ?
Two thirds multiplied by the difference of seven and a number
Two thirds multiplied by the difference of a number and seven
None of the other responses is correct
Two thirds subtracted from the product of a number and seven
The product of a number and seven, subtracted from two thirds
Two thirds multiplied by the difference of a number and seven
is two thirds multiplied by , which is the difference of a number and seven. Putting this together, this expression is stated as:
"Two thirds multiplied by the difference of a number and seven"
Example Question #1051 : Algebra 1
"If seven is multiplied by the sum of an unknown number and twelve, the result is four times that unknown number."
Rewrite the above statement as a variable equation.
If we call this unknown number , then "the sum of an unknown number and twelve" is
"seven...multiplied by the sum of an unknown number and twelve" is seven multiplied by ; remembering to override the order of operations with parentheses, the expression is
The result is four times that unknown number, which is
Putting it together, the equation is
Example Question #136 : How To Write Expressions And Equations
Write the expression: One more than the quantity of twice a number squared.
Split the sentence into parts. Let a variable be the number.
Twice a number:
The quantity of twice a number squared:
One more than the quantity of twice a number squared:
The answer is:
Example Question #137 : How To Write Expressions And Equations
Write the expression: Four less than half a number.
Separate the sentence into parts. Use a variable to denote the number.
Half a number:
Four less than half a number:
The answer is:
Example Question #138 : How To Write Expressions And Equations
Write the following equation: Five more than twice a number is nine.
Separate the sentence into parts.
Twice a number:
Five more than twice a number:
Is nine:
Combine the parts.
The answer is:
Example Question #139 : How To Write Expressions And Equations
Write the expression: Six more than the cube root of twice a number.
Seperate the sentence into parts.
Twice a number:
The cube root of twice a number:
Six more than the cube root of twice a number:
The answer is:
Example Question #140 : How To Write Expressions And Equations
"If the product of one-tenths and a number is subtracted from six, the result is seven more than that number."
Rewrite the above statement as a variable equation.
If we call this unknown number , then "the product of one-tenths and a number" is .
"The product of one-tenths and a number...subtracted from six" is subtracted from six, or
.
This result is equal to seven more than that number, which is , so the equation is
.
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