Translate into an algebraic expression:
one less than a number
x - 1
100
Translate into a word phrase:
5 * x
five times a number
100
Simplify:
2x + 3 - 3x
3 - x
100
Solve for x:
x - 3 = 4
x = 7
100
The additive inverse of a number or variable expression. When combined, the sum of a number and its opposite is zero.
This is the definition of opposite.
200
Translate into an algebraic expression:
three copies of a number
3x
200
Translate into a word phrase:
x - 27
twenty seven less than a number
200
Simplify:
2(3x - 9)
6x - 18
200
What is the value of x?
2x + 1 = 3x - 1
x = 2
200
If the product of two numbers is 1, then the two numbers are said to be reciprocals of each other.
In other words, a reciprocal is the multiplicative inverse of a number.
This is the definition of Reciprocal
300
Translate into an algebraic expression:
the quotient of a number and four
x/4
300
Translate into a word phrase:
x/4
a number divided by four
300
Simplify: -3(4 - 2x)
-12 + 6x
300
Identify the incorrect step and correct the mistake:
2(8x + 7 –4x) = 38
16x + 14 -4x = 38 step 1
12x + 14 = 38 step 2
12x = 24 step 3
x = 2 step 4
What is step 1:
Distribute the 2 to the -4x
300
n and a are opposites
If n + a = 0 is a true statement, then which of the following must also be true?
400
Translate into an algebraic expression:
the product of two minus a number and nine
(2 - x) * 9
400
Translate into a word phrase:
2 * (x + 3)
the product of 2 and a number plus three
400
Simplify and evaluate at x = 4:
5x - 3 + 4x - 20
13
400
Joe, Craig, and Dylan have a combined weight of 326 pounds. Craig weighs 40 pounds more than Joe. Dylan weighs 12 pounds more than Craig. How many pounds does Craig weigh?
What is 118 lbs
400
-2x + 12 - y
The opposite of 2x - 12 + y
500
Translate into an algebraic expression:
The ratio of eleven and a number cubed
11/(x^3)
500
Translate into a word phrase:
(4 - x) / 2
The quotient of 4 minus a number and two.
500
-4x + 2 ( 7x – 6 )
Explain in words the steps to solve the equation when x equals 4
Answers vary
500
For the fall quarter, Ashleigh is taking a Calculus class on Saturday mornings. The first day of class the attendance was 315 and the attendance decreased linearly. On the fourth day of class the attendance was 219. What will the attendance be on the ninth day of class?