Vocabulary
The steepness of a line is called its
what is slope?
Find the slope: rise 2, run 4
What is 1/2
If a line is going up from left to right, its slope is...
In y=4x+2, what is slope
What is 4
A taxi charges $5 plus $2 per mile. Write the equation
What is y=2x+5
A relationship between two variables where the graph is a straight line
what is linear
Find the slope between (2,5) and (4,9)
What is 2
If a line crosses the y-axis at (0,-3), what is the y-intercept
What is -3
In y=-3x+7, what is the y-intercept
What is 7
You start with $20 and spend #3 per day. What is the slope
What is -3
The point where a line crosses the y-axis
what is the y-intercept
A horizontal line has a slope of...
What is 0
Which graph represents a proportional relationship
One that goes through the origin (0,0)
Write the equation of a line with slope 2 and y-intercept -5
What is y=2x-5
A school is selling tickets to a play. Adult tickets (x) cost $8 each and student tickets (y) cost $5 each. The school wants to make exactly $200.
Write an equation in standard form that represents this situation
What is 8x+5y=200
the equation of a line in the form y=mx+b
what is slope-intercept form
A vertical line has a slope that is...
What is undefined
A graph shows a line with a slope of 3. For every step right, it goes...
What is 3 up
A line has a slope of -1 and passes through (0,4). Write its equation.
What is y=-x+4
A phone plan costs $30 per month plus $5 per GB. After 6 GB, what do you pay?
What is $60
A number multiplied by a variable, like the "3" in 3x
What is a coefficient
Calculate the slope between (-3,7) and (6,-5)
What is -4/3
A graph shows a line with a negative slope. Describe its direction
What is "downward from left to right?"
A line has a slope of 3 and goes through (2,8). Write an equation
What is y=3x+2
A music club sells two types of wristbands. Glow wristbands (x) cost $3 each and metallic wristbands (y) cost $4 each. The club wants to earn $40 that night. If the club sells 8 glow wristbands, how many metallic wristbands could they sell.
What is 4 metallic wristbands