Solving Slope-Intercept Word Problems

What is the general form of the slope-intercept equation?

• y = ax + b

• y = ax^2 + bx + c

• y = mx^2 + b

• y = mx + b

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

• The y-intercept

• The slope or rate of change

• The initial value

• The x-intercept

Which of the following is an example of a rate of change in real life?

• The initial deposit in a bank account

• The cost of a gym membership

• The amount earned per hour of work

• The total cost of a car

What does the 'b' in the slope-intercept equation represent?

• The initial value or y-intercept

• The rate of change

• The slope

• The final value

Tom starts with $150 in his savings account and adds $20 each month. What is the slope (m) in this scenario?

• $150

• $20

• $18

• $170

In Tom's savings account example, what is the initial value (b)?

• $170

• $150

• $18

• $20

Javier buys a fish tank for $75 and each fish costs $3. What is the initial value (b) in this scenario?

• $36

• $12

• $75

• $3

If Javier buys 12 fish, how much will he spend on the fish alone?

• $12

• $3

• $75

• $36

Kimmy's car depreciates by $500 each year. What is the slope (m) in this scenario?

• $12,000

• -$500

• $500

• $7,000

If Kimmy's car was initially worth $12,000, what will its value be after 7 years?

• $3,500

• $7,000

• $12,000

• $8,500