Exressions, Equations and Inequalities

What equation represents the number of necklaces Juanita can make with 102 beads if each necklace requires 17 beads?

• 17 + n = 102

• 17n = 102

• n/17 = 102

• 102n = 17

What is an inequality in mathematical terms?

• A statement that uses an equal sign to show that two expressions are equivalent.

• A statement that uses a greater than, less than, or not equal sign to show the relationship between two values.

• A mathematical operation that combines numbers and/or variables.

• A graphical representation of data.

Which of the following is an example of an algebraic expression?

• 2x + 4 ≥ 16

• 3y + 5xy + 1/2x + 6

• 3x = 81

• 8 > 2

How many terms are in the expression 3y + 5xy + 1/2x + 6?

• Two

• Three

• Four

• Five

What is a variable in the context of algebra?

• A number that does not change.

• A symbol that represents a number in an equation or expression.

• The result of an addition or subtraction operation.

• A fixed value in a mathematical formula.

What is the first step in solving the one-step equation k + 18 = 6?

• Multiply both sides by 18

• Divide both sides by 18

• Add 18 to both sides

• Subtract 18 from both sides

After solving the equation k + 18 = 6, what is the value of k?

• 24

• -12

• 6

• -6

How do you justify the solution after solving the equation k + 18 = 6?

• By checking if k equals 18

• By dividing both sides by k

• By substituting the value of k back into the original equation

• By adding 18 to the final value of k

After isolating the variable k in the inequality k + 18 >= 6, what is the resulting inequality?

• k >= 24

• k >= -12

• k <= -12

• k <= 24

What operation is being performed on the variable k in the inequality k + 18 >= 6?

• Subtraction

• Division

• Multiplication

• Addition