Linear Equation Jeopardy

Definitions

100

A relationship in which there is a constant rate of change between two variables.

What is a linear relationship?

200

The steepness of a line. The ratio of the vertical change to the horizontal change between any two points on the line.

What is slope?

300

The point where a graph crosses the y-axis.

What is y-intercept?

400

The vertical change between two points on a graph.

What is the rise?

500

A number that is multiplied by a variable in an equation or expression.

What is coefficient? (also accepted: rate or slope)

Slope

100

The variable for slope in this equation: y = mx + b

What is m?

200

The slope of the line that fits this statement: A ride in a cab costs $0.40 plus $0.15 per mile.

What is $0.15?

300

The slope of a line that passes through these points: (-4,6) and (-4,2)

What is 0?

400

The slope of a line that passes through these points: (9,6) and (7,2)

What is 2?

500

The slope of the line that fits the equation: y = (4x + 17) / (-8)

What is -1/2?

y-intercept

100

y = mx + b

What is b?

200

A ride in a cab costs $0.40 plus $0.15 per mile.

What is $0.40?

300

The value of x at the y-intercept in the equation: y = 5x - 7.

What is 0.

400

The y-intercept of a line that passes through the points: (1,6) and (5,14)

What is 4?

500

The y-intercept of a line that passes through the points: (8,10) and (1,4).

What is 3 1/7?

Linear Equations

100

The slope-intercept equation.

What is y = mx + b?

200

The value of x: 

3x + 7 = 5x - 13.

What is 10?

300

The value of x: 

2x + 5 = - 20

What is - 12.5?

400

The value of x: 

11 = -3x - 10

What is -7?

500

The equation of a line that contains the points (2,13) and (6,33).

What is y=5x + 3?

Word Problems

100

Alana walks 1 meter per second. Gilberto walks 2 meters per second. How much faster will Gilberto walk 100 meters?

What is 50 seconds?

200

A ride in a cab costs $0.40 plus $0.15 per mile. How much does the cab charge for a trip of 8 miles?

What is $1.60?

300

A ride in a cab costs $0.40 plus $0.15 per mile. The cab charges $0.70 for a ride of how many miles?

What is 2 miles?

400

A movie theater membership costs $75 a year plus $2 per movie. For non-members the cost of a movie is $5.75. The number of movies after which membership saves money.

What is 20?

500

Big A's Bike Rentals charges $300 plus $20 per bike to rent a bike for a week. Little Cheeper's rental shop charges $50 plus $35 per bike for a week. What is the greatest number of bikes rented before Big A's Bike rentals is a less expensive option?

What is 16?