Definitions
Slope
y-intercept
Writing Linear Equations
Word Problems
100
A relationship in which there is a constant rate of change between two variables.
What is a linear relationship?
100
The variable for slope in this equation: y = mx + b
What is m?
100
y = mx + b
What is b?
100
The slope-intercept equation.
What is y = mx + b?
100

Alana walks 1 meter per second along a track and begins 20 meters from the starting line.  Write a linear equation that represents her distance from the start.

What is y=20+x?

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?
200

The slope of a horizontal line (such as y=3)

What is zero?

200

The y-intercept of the line y=2.

What is 2?

200

The equation of the line through the points (8, -2) and (5, -2).

What y=-2?

200

A ride in a cab costs $0.40 plus $0.15 per mile. Write an equation for this.

What is 

y=0.15x+0.40?

300
The point where a graph crosses the y-axis.
What is y-intercept?
300

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

What is undefined?

300

The value the y-intercept in the equation:

y-2 = 5(x - 7).

What is -33.

300

The equation and slope of the line through (4, -5) and (4, 7) 

What x=4 and undefind

300

A plane ticket costs $250 plus $2 per pound of luggage.  Write an equation for the total cost.

What is y=2x+250?

400
The vertical change between two points on a graph.
What is the rise?
400
The slope of a line that passes through these points: (9,6) and (7,2)
What is 2?
400
The y-intercept of a line that passes through the points: (1,6) and (5,14)
What is 4?
400

What is the point slope form of the line throug the points (2, 4) and (3,6)?

What is y-4=2(x-2) or y-6=2(x-3)?

400

A movie theater membership costs $75 a year plus $2 per movie. Write an equation for the total cost of the membership.

What is y=2x+75?

500
A number that is multiplied by a variable in an equation or expression.
What is coefficient? (also accepted: rate or slope)
500

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

Hint:  Rewrite the left side as two fractions

What is -1/2?

500

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

What is 22/7?

500

The slope intercept form of the equation through the points (5, 4) and (2, 8).

What is y=(-4/3)x + 32/3?

500

Big A's Bike Rentals charges $300 plus $20 per bike to rent a bike for a week. Write an equation for the total cost?

What is y=20x+300?

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