Writing Systems of Equations from Word Problems

What is the first step in writing a system of equations from a word problem?

• Calculate the total

• Find the slope

• Label the variables

• Solve the equations

In a standard form equation, what do the variables x and y typically represent?

• Two different items or quantities

• The number of equations

• The total amount and initial value

• The slope and y-intercept

If a word problem mentions a total dollar amount, where should this value be placed in a standard form equation?

• As the constant term

• As the coefficient of y

• As the coefficient of x

• As the slope

What key words indicate the slope in a slope-intercept form equation?

• Initial and start

• Total and sum

• Per, each, or every

• Difference and less

In the equation y = mx + b, what does the 'b' represent?

• The variable

• The initial value

• The slope

• The total amount

How do you balance the equation if x is 30 less than y?

• Subtract 30 from x

• Add 30 to y

• Subtract 30 from y

• Add 30 to x

What is the total number of coins if Sydney has 42 coins in total?

• 25

• 42

• 30

• 50

If a recipe calls for 5 fewer tablespoons of garlic powder than olive oil, how would you write this in an equation?

• x = y + 5

• x - 5 = y

• x = y - 5

• x + 5 = y

What should you do if a new spiral notebook contains 30 more sheets of paper than a new memo book?

• Add 30 to the number of sheets in the memo book

• Subtract 30 from the number of sheets in the spiral notebook

• Add 30 to the number of sheets in the spiral notebook

• Subtract 30 from the number of sheets in the memo book

When given multiple answer choices, what is a good strategy to use?

• Choose the longest option

• Guess randomly

• Choose the first option

• Eliminate obviously incorrect choices