Evaluating Expressions
evaluate when x = 11 4x - 2x
Convert from a word phrase into an algebraic expression: three multiplied by a number c
3c
Convert from a word phrase to an algebraic expression: twice a number n
2n
Translate the algebraic expression into a word phrase: 4n
the product of 4 and n OR 4 times n
Identify the variables: 2x + y
x, y
Evaluate when x = -7 5x + 5
-5
Convert from a word phrase to an algebraic expression: the sum of twelve and a number p
12+p
Convert from a word phrase to an algebraic expression: the difference between a number k a twenty three
k - 23
Translate the algebraic expression into a word phrase: x - 9
9 less than x
What step would you complete first to simplify?:
6(4) - 3(2) + 7
6(4)
Evaluate when y= -3 7y + 6(y-4)
-63
Convert from a word phrase to an algebraic expression: the quotient of 63 and some number w
63/w
Convert from a word phrase to an algebraic expression: the quotient of fifty and some number y
50/y
Translate the algebraic expression into a word phrase: y/75
the quotient of y and 75
What is the best way to name the following expression?
-8+7-2x+5
Variable Expression
evaluate when p = -2 and y = 4: 9p - 3 + 4y
-5
Convert from a word phrase to an algebraic expression: the product of a number x and ten
10x
Convert to a word phrase: The product of b and -7
-7b
Translate the algebraic expression into a word phrase (you cannot use the word minus!): 7 - x
x less than 7 OR the difference of 7 and x
Which step would be completed first to simplify?
-8+3-2(4-2)2
(4-2)
Evaluate when p=-4, y=-8, and z=7:
6y - 7p + 5z
15
Convert from a word phrase to an algebraic expression: a number n doubled
2n
Convert from a word phrase to an algebraic expression: twenty five less than some number x
x - 25
Translate the algebraic expression into a verbal expressionword phrase: (1/2)y
one half of y
Simplify -43