Math Flash Cards 4/1/25

Front

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

Back

slope

Front

What does the b in the equation y=mx+b mean?

Back

y-intercept

Front

Mike is buying a large pizza. The pizza cost $8.00 plus .50 for each additional topping. Use y=mx+b format.

Back

y=.50x+8

Answer explanation

In the y=mx+b format, M is the slope of the line, this is the number that changes so in this problem the topping. b: is the y-intercept, this is the initial cost of the pizza.

Front

Bob the plumber charges $15 per hour plus a service fee of $40 for coming out to your house. Which function models this situation?

Back

y=15x+40

Answer explanation

In the y=mx+b format, M is the slope of the line, this is the number that changes so in this problem the hours of work. b: is the y-intercept, this is the initial cost of the service fee.

Front

Thomas got a speeding ticket. The cop said he had to pay $10 for each mile per hour he was going over the speed limit. Plus Thomas has to pay $115 court cost. Which equation correctly models what Thomas would have to pay?

Back

y=10x+115

Front

Function to find total height of a building with n floors, each 3.9 m high, and a 15.85 m FM antenna on the roof.

Back

Front

A function with a constant rate of change (slope). When graphed it is a straight line.

Back

Linear function

Front

What is the slope of the line?

Back

Undefined

Front

What is the slope of the line?

Back

Negative

Front

What is the slope of the line?

Back

Positive